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Commit 0979ec20 authored by Len Brown's avatar Len Brown
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Merge intel.com:/home/lenb/src/linux-acpi-test-2.6.1 

into intel.com:/home/lenb/src/linux-acpi-test-2.6.2
parents cbd884c9 651f8c98
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Showing with 527 additions and 319 deletions
drivers/acpi/asus_acpi.c
View file @ 0979ec20
...@@ -2,7 +2,7 @@ ...@@ -2,7 +2,7 @@
* asus_acpi.c - Asus Laptop ACPI Extras * asus_acpi.c - Asus Laptop ACPI Extras
* *
* *
* Copyright (C) 2002, 2003 Julien Lerouge, Karol Kozimor * Copyright (C) 2002, 2003, 2004 Julien Lerouge, Karol Kozimor
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
...@@ -23,16 +23,16 @@ ...@@ -23,16 +23,16 @@
* http://sourceforge.net/projects/acpi4asus/ * http://sourceforge.net/projects/acpi4asus/
* *
* Credits: * Credits:
* Pontus Fuchs - Helper functions, cleanup
* Johann Wiesner - Small compile fixes * Johann Wiesner - Small compile fixes
* John Belmonte - ACPI code for Toshiba laptop was a good starting point. * John Belmonte - ACPI code for Toshiba laptop was a good starting point.
* *
* TODO: * TODO:
* add Fn key status * add Fn key status
* Add mode selection on module loading (parameter) -> still necessary? * Add mode selection on module loading (parameter) -> still necessary?
* Complete display switching -- may require dirty hacks? * Complete display switching -- may require dirty hacks or calling _DOS?
*/ */
#include <linux/config.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/init.h> #include <linux/init.h>
...@@ -41,12 +41,13 @@ ...@@ -41,12 +41,13 @@
#include <acpi/acpi_drivers.h> #include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h> #include <acpi/acpi_bus.h>
#define ASUS_ACPI_VERSION "0.26" #define ASUS_ACPI_VERSION "0.27"
#define PROC_ASUS "asus" //the directory #define PROC_ASUS "asus" //the directory
#define PROC_MLED "mled" #define PROC_MLED "mled"
#define PROC_WLED "wled" #define PROC_WLED "wled"
#define PROC_INFOS "info" #define PROC_TLED "tled"
#define PROC_INFO "info"
#define PROC_LCD "lcd" #define PROC_LCD "lcd"
#define PROC_BRN "brn" #define PROC_BRN "brn"
#define PROC_DISP "disp" #define PROC_DISP "disp"
...@@ -67,6 +68,7 @@ ...@@ -67,6 +68,7 @@
*/ */
#define MLED_ON 0x01 //is MLED ON ? #define MLED_ON 0x01 //is MLED ON ?
#define WLED_ON 0x02 #define WLED_ON 0x02
#define TLED_ON 0x04
MODULE_AUTHOR("Julien Lerouge, Karol Kozimor"); MODULE_AUTHOR("Julien Lerouge, Karol Kozimor");
MODULE_DESCRIPTION(ACPI_HOTK_NAME); MODULE_DESCRIPTION(ACPI_HOTK_NAME);
...@@ -81,22 +83,25 @@ MODULE_PARM(asus_gid, "i"); ...@@ -81,22 +83,25 @@ MODULE_PARM(asus_gid, "i");
MODULE_PARM_DESC(gid, "GID for entries in /proc/acpi/asus.\n"); MODULE_PARM_DESC(gid, "GID for entries in /proc/acpi/asus.\n");
/* For each model, all features implemented */ /* For each model, all features implemented,
* those marked with R are relative to HOTK, A for absolute */
struct model_data { struct model_data {
char *name; //name of the laptop char *name; //name of the laptop________________A
char *mt_mled; //method to handle mled char *mt_mled; //method to handle mled_____________R
char *mled_status; //node to handle mled reading char *mled_status; //node to handle mled reading_______A
char *mt_wled; //method to handle wled char *mt_wled; //method to handle wled_____________R
char *wled_status; //node to handle wled reading char *wled_status; //node to handle wled reading_______A
char *mt_lcd_switch; //method to turn LCD ON/OFF char *mt_tled; //method to handle tled_____________R
char *lcd_status; //node to read LCD panel state char *tled_status; //node to handle tled reading_______A
char *brightness_up; //method to set brightness up char *mt_lcd_switch; //method to turn LCD ON/OFF_________A
char *brightness_down; //guess what ? char *lcd_status; //node to read LCD panel state______A
char *brightness_set; //method to set absolute brightness char *brightness_up; //method to set brightness up_______A
char *brightness_get; //method to get absolute brightness char *brightness_down; //guess what ?______________________A
char *brightness_status;//node to get brightness char *brightness_set; //method to set absolute brightness_R
char *display_set; //method to set video output char *brightness_get; //method to get absolute brightness_R
char *display_get; //method to get video output char *brightness_status; //node to get brightness____________A
char *display_set; //method to set video output________R
char *display_get; //method to get video output________R
}; };
/* /*
...@@ -108,87 +113,235 @@ struct asus_hotk { ...@@ -108,87 +113,235 @@ struct asus_hotk {
acpi_handle handle; //the handle of the hotk device acpi_handle handle; //the handle of the hotk device
char status; //status of the hotk, for LEDs, ... char status; //status of the hotk, for LEDs, ...
struct model_data *methods; //methods available on the laptop struct model_data *methods; //methods available on the laptop
u8 brightness; //brighness level u8 brightness; //brightness level
enum { enum {
A1X=0, //A1340D, A1300F A1x = 0, //A1340D, A1300F
A2X, //A2500H A2x, //A2500H
D1X, //D1 D1x, //D1
L1X, //L1400B L2D, //L2000D
L2X, //L2000D -> TODO check Q11 (Fn+F8) L3C, //L3800C
// Calling this method simply hangs the
// computer, ISMI method hangs the laptop.
L3D, //L3400D L3D, //L3400D
L3X, //L3C L3H, //L3H, but also L2000E
L5X, //L5C TODO this model seems to have one more L5x, //L5800C
// LED, add support L8L, //L8400L
M2X, //M2400E M1A, //M1300A
M3N, //M3700N, but also S1300N -> TODO WLED M2E, //M2400E
S1X, //S1300A -> TODO special keys do not work ? S1x, //S1300A, but also L1400B and M2400A (L84F)
S2X, //S200 (J1 reported), Victor MP-XP7210 S2x, //S200 (J1 reported), Victor MP-XP7210
//TODO A1370D does not seem to have an ATK device //TODO A1370D does not seem to have an ATK device
// L8400 model doesn't have ATK // L8400 model doesn't have ATK
xxN, //M2400N, M3700N, S1300N (Centrino)
END_MODEL END_MODEL
} model; //Models currently supported } model; //Models currently supported
u16 event_count[128]; //count for each event TODO make this better u16 event_count[128]; //count for each event TODO make this better
}; };
/* Here we go */ /* Here we go */
#define L3X_PREFIX "\\_SB.PCI0.PX40.ECD0." #define A1x_PREFIX "\\_SB.PCI0.ISA.EC0."
#define S1X_PREFIX "\\_SB.PCI0.PX40." #define L3C_PREFIX "\\_SB.PCI0.PX40.ECD0."
#define L1X_PREFIX S1X_PREFIX #define M1A_PREFIX "\\_SB.PCI0.PX40.EC0."
#define A1X_PREFIX "\\_SB.PCI0.ISA.EC0." #define S1x_PREFIX "\\_SB.PCI0.PX40."
#define S2X_PREFIX A1X_PREFIX #define S2x_PREFIX A1x_PREFIX
#define M3N_PREFIX "\\_SB.PCI0.SBRG.EC0." #define xxN_PREFIX "\\_SB.PCI0.SBRG.EC0."
static struct model_data model_conf[END_MODEL] = { static struct model_data model_conf[END_MODEL] = {
/* /*
* name| mled |mled read| wled |wled read| lcd sw |lcd read | * Those pathnames are relative to the HOTK / ATKD device :
* br up|br down | br set | br read | br status|set disp | get disp * - mt_mled
* * - mt_wled
* br set and read shall be in hotk device ! * - brightness_set
* same for set disp * - brightness_get
* - display_set
* - display_get
* *
* TODO I have seen a SWBX and AIBX method on some models, like L1400B, * 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 ? * it seems to be a kind of switch, but what for ?
* *
*/ */
{"A1X", "MLED", "\\MAIL", NULL, NULL, A1X_PREFIX "_Q10", "\\BKLI",
A1X_PREFIX "_Q0E", A1X_PREFIX "_Q0F", NULL, NULL, NULL, NULL, NULL},
{"A2X", "MLED", NULL, "WLED", "\\SG66", "\\Q10", "\\BAOF", {
"\\Q0E", "\\Q0F", "SPLV", "GPLV", "\\CMOD", "SDSP", "\\INFB"}, .name = "A1x",
.mt_mled = "MLED",
.mled_status = "\\MAIL",
.mt_lcd_switch = A1x_PREFIX "_Q10",
.lcd_status = "\\BKLI",
.brightness_up = A1x_PREFIX "_Q0E",
.brightness_down = A1x_PREFIX "_Q0F",
},
{"D1X", "MLED", NULL, NULL, NULL, "\\Q0D", "\\GP11", {
"\\Q0C", "\\Q0B", NULL, NULL, "\\BLVL", "SDSP","\\INFB"}, .name = "A2x",
.mt_mled = "MLED",
.mt_wled = "WLED",
.wled_status = "\\SG66",
.mt_lcd_switch = "\\Q10",
.lcd_status = "\\BAOF",
.brightness_up = "\\Q0E",
.brightness_down = "\\Q0F",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.brightness_status = "\\CMOD",
.display_set = "SDSP",
.display_get = "\\INFB"
},
{"L1X", "MLED", NULL, "WLED", NULL, L1X_PREFIX "Q10", "\\PNOF", {
L1X_PREFIX "Q0F", L1X_PREFIX "Q0E", "SPLV", "GPLV", "\\BRIT", NULL, NULL}, .name = "D1x",
.mt_mled = "MLED",
.mt_lcd_switch = "\\Q0D",
.lcd_status = "\\GP11",
.brightness_up = "\\Q0C",
.brightness_down = "\\Q0B",
.brightness_status = "\\BLVL",
.display_set = "SDSP",
.display_get = "\\INFB"
},
{"L2X", "MLED", "\\SGP6", "WLED", "\\RCP3", "\\Q10", "\\SGP0", {
"\\Q0E", "\\Q0F", NULL, NULL, NULL, "SDSP", "\\INFB"}, .name = "L2D",
.mt_mled = "MLED",
.mled_status = "\\SGP6",
.mt_wled = "WLED",
.wled_status = "\\RCP3",
.mt_lcd_switch = "\\Q10",
.lcd_status = "\\SGP0",
.brightness_up = "\\Q0E",
.brightness_down = "\\Q0F",
.display_set = "SDSP",
.display_get = "\\INFB"
},
{"L3D", "MLED", "\\MALD", "WLED", NULL, "\\Q10", "\\BKLG", {
"\\Q0E", "\\Q0F", "SPLV", "GPLV", "\\BLVL", "SDSP", "\\INFB"}, .name = "L3C",
.mt_mled = "MLED",
.mt_wled = "WLED",
.mt_lcd_switch = L3C_PREFIX "_Q10",
.lcd_status = "\\GL32",
.brightness_up = L3C_PREFIX "_Q0F",
.brightness_down = L3C_PREFIX "_Q0E",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.brightness_status = "\\BLVL",
.display_set = "SDSP",
.display_get = "\\_SB.PCI0.PCI1.VGAC.NMAP"
},
{"L3X", "MLED", NULL, "WLED", NULL, L3X_PREFIX "_Q10", "\\GL32", {
L3X_PREFIX "_Q0F", L3X_PREFIX "_Q0E", "SPLV", "GPLV", "\\BLVL", "SDSP", .name = "L3D",
"\\_SB.PCI0.PCI1.VGAC.NMAP"}, .mt_mled = "MLED",
.mled_status = "\\MALD",
.mt_wled = "WLED",
.mt_lcd_switch = "\\Q10",
.lcd_status = "\\BKLG",
.brightness_up = "\\Q0E",
.brightness_down = "\\Q0F",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.brightness_status = "\\BLVL",
.display_set = "SDSP",
.display_get = "\\INFB"
},
{"L5X", "MLED", NULL, "WLED", "WRED", "\\Q0D", "\\BAOF", {
"\\Q0C","\\Q0B", "SPLV", "GPLV", NULL, "SDSP", "\\INFB"}, .name = "L3H",
.mt_mled = "MLED",
.mt_wled = "WLED",
.mt_lcd_switch = "EHK",
.lcd_status = "\\_SB.PCI0.PM.PBC",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.display_set = "SDSP",
.display_get = "\\INFB"
},
{
.name = "L5x",
.mt_mled = "MLED",
// .mt_wled = "WLED",
// .wled_status = "\\WRED",
/* Present, but not controlled by ACPI */
.mt_tled = "TLED",
.mt_lcd_switch = "\\Q0D",
.lcd_status = "\\BAOF",
.brightness_up = "\\Q0C",
.brightness_down = "\\Q0B",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.display_set = "SDSP",
.display_get = "\\INFB"
},
{"M2X", "MLED", NULL, "WLED", NULL, "\\Q10", "\\GP06", {
"\\Q0E","\\Q0F", "SPLV", "GPLV", NULL, "SDSP", "\\INFB"}, .name = "L8L"
/* No features, but at least support the hotkeys */
},
{"M3N", "MLED", NULL, "WLED", "\\PO33", M3N_PREFIX "_Q10", "\\BKLT", {
M3N_PREFIX "_Q0F", M3N_PREFIX "_Q0E", "SPLV", "GPLV", "\\LBTN", "SDSP", .name = "M1A",
"\\ADVG"}, .mt_mled = "MLED",
.mt_lcd_switch = M1A_PREFIX "Q10",
.lcd_status = "\\PNOF",
.brightness_up = M1A_PREFIX "Q0E",
.brightness_down = M1A_PREFIX "Q0F",
.brightness_status = "\\BRIT",
.display_set = "SDSP",
.display_get = "\\INFB"
},
{"S1X", "MLED", "\\EMLE", "WLED", NULL, S1X_PREFIX "Q10", "\\PNOF", {
S1X_PREFIX "Q0F", S1X_PREFIX "Q0E", "SPLV", "GPLV", "\\BRIT", NULL, NULL}, .name = "M2E",
.mt_mled = "MLED",
.mt_wled = "WLED",
.mt_lcd_switch = "\\Q10",
.lcd_status = "\\GP06",
.brightness_up = "\\Q0E",
.brightness_down = "\\Q0F",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.display_set = "SDSP",
.display_get = "\\INFB"
},
{"S2X", "MLED", "\\MAIL", NULL, NULL, S2X_PREFIX "_Q10", "\\BKLI", {
S2X_PREFIX "_Q0B", S2X_PREFIX "_Q0A", NULL, NULL, NULL, NULL, NULL} .name = "S1x",
.mt_mled = "MLED",
.mled_status = "\\EMLE",
.mt_wled = "WLED",
.mt_lcd_switch = S1x_PREFIX "Q10" ,
.lcd_status = "\\PNOF",
.brightness_up = S1x_PREFIX "Q0F",
.brightness_down = S1x_PREFIX "Q0E",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.brightness_status = "\\BRIT",
},
{
.name = "S2x",
.mt_mled = "MLED",
.mled_status = "\\MAIL",
.mt_lcd_switch = S2x_PREFIX "_Q10",
.lcd_status = "\\BKLI",
.brightness_up = S2x_PREFIX "_Q0B",
.brightness_down = S2x_PREFIX "_Q0A",
},
{
.name = "xxN",
.mt_mled = "MLED",
// .mt_wled = "WLED",
// .wled_status = "\\PO33",
/* Present, but not controlled by ACPI */
.mt_lcd_switch = xxN_PREFIX "_Q10",
.lcd_status = "\\BKLT",
.brightness_up = xxN_PREFIX "_Q0F",
.brightness_down = xxN_PREFIX "_Q0E",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.brightness_status = "\\LBTN",
.display_set = "SDSP",
.display_get = "\\ADVG"
}
}; };
/* procdir we use */ /* procdir we use */
...@@ -264,7 +417,7 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof, ...@@ -264,7 +417,7 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof,
void *data) void *data)
{ {
int len = 0; int len = 0;
int sfun; int temp;
struct asus_hotk *hotk = (struct asus_hotk *) data; struct asus_hotk *hotk = (struct asus_hotk *) data;
char buf[16]; //enough for all info char buf[16]; //enough for all info
/* /*
...@@ -275,8 +428,23 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof, ...@@ -275,8 +428,23 @@ 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, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n");
len += sprintf(page + len, "Model reference : %s\n", len += sprintf(page + len, "Model reference : %s\n",
hotk->methods->name); hotk->methods->name);
if(read_acpi_int(hotk->handle, "SFUN", &sfun)) /*
len += sprintf(page + len, "SFUN value : 0x%04x\n", sfun); * The SFUN method probably allows the original driver to get the list
* of features supported by a given model. For now, 0x0100 or 0x0800
* 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))
len += sprintf(page + len, "SFUN value : 0x%04x\n", temp);
/*
* Another value for userspace: the ASYM method returns 0x02 for
* battery low and 0x04 for battery critical, it's readings tend to be
* more accurate than those provided by _BST.
* Note: since not all the laptops provide this method, errors are
* silently ignored.
*/
if (read_acpi_int(hotk->handle, "ASYM", &temp))
len += sprintf(page + len, "ASYM value : 0x%04x\n", temp);
if (asus_info) { if (asus_info) {
snprintf(buf, 16, "%d", asus_info->length); snprintf(buf, 16, "%d", asus_info->length);
len += sprintf(page + len, "DSDT length : %s\n", buf); len += sprintf(page + len, "DSDT length : %s\n", buf);
...@@ -301,127 +469,178 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof, ...@@ -301,127 +469,178 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof,
/* /*
* proc file handlers * /proc handlers
* We write our info in page, we begin at offset off and cannot write more
* than count bytes. We set eof to 1 if we handle those 2 values. We return the
* number of bytes written in page
*/ */
/* Generic LED functions */
static int static int
proc_read_mled(char *page, char **start, off_t off, int count, int *eof, read_led(struct asus_hotk *hotk, const char *ledname, int ledmask)
void *data)
{ {
int len = 0; if (ledname) {
struct asus_hotk *hotk = (struct asus_hotk *) data; int led_status;
int led_status = 0;
/* if (read_acpi_int(NULL, ledname, &led_status))
* We use the easy way, we don't care of off and count, so we don't set eof return led_status;
* to 1
*/
if (hotk->methods->mled_status) {
if (read_acpi_int(NULL, hotk->methods->mled_status,
&led_status))
len = sprintf(page, "%d\n", led_status);
else else
printk(KERN_WARNING "Asus ACPI: Error reading MLED " printk(KERN_WARNING "Asus ACPI: Error reading LED "
"status\n"); "status\n");
} else {
len = sprintf(page, "%d\n", (hotk->status & MLED_ON) ? 1 : 0);
} }
return (hotk->status & ledmask) ? 1 : 0;
return len;
} }
/* FIXME: kill extraneous args so it can be called independently */
static int static int
proc_write_mled(struct file *file, const char *buffer, write_led(const char *buffer, unsigned long count, struct asus_hotk *hotk,
unsigned long count, void *data) char *ledname, int ledmask, int invert)
{ {
int value; int value;
int led_out = 0; int led_out = 0;
struct asus_hotk *hotk = (struct asus_hotk *) data;
/* scan expression. Multiple expressions may be delimited with ; */
if (sscanf(buffer, "%i", &value) == 1) if (sscanf(buffer, "%i", &value) == 1)
led_out = ~value & 1; led_out = value ? 1 : 0;
hotk->status = hotk->status =
(value) ? (hotk->status | MLED_ON) : (hotk->status & ~MLED_ON); (led_out) ? (hotk->status | ledmask) : (hotk->status & ~ledmask);
/* 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_WARNING "Asus ACPI: MLED write failed\n");
if (invert) /* invert target value */
led_out = !led_out & 0x1;
if (!write_acpi_int(hotk->handle, ledname, led_out, NULL))
printk(KERN_WARNING "Asus ACPI: LED (%s) write failed\n", ledname);
return count; return count;
} }
/* /*
* We write our info in page, we begin at offset off and cannot write more * Proc handlers for MLED
* than count bytes. We set eof to 1 if we handle those 2 values. We return the
* number of bytes written in page
*/ */
static int static int
proc_read_wled(char *page, char **start, off_t off, int count, int *eof, proc_read_mled(char *page, char **start, off_t off, int count, int *eof,
void *data) void *data)
{ {
int len = 0;
struct asus_hotk *hotk = (struct asus_hotk *) data; struct asus_hotk *hotk = (struct asus_hotk *) data;
int led_status; return sprintf(page, "%d\n", read_led(hotk, hotk->methods->mled_status, MLED_ON));
}
if (hotk->methods->wled_status) {
if (read_acpi_int(NULL, hotk->methods->wled_status,
&led_status))
len = sprintf(page, "%d\n", led_status);
else
printk(KERN_WARNING "Asus ACPI: Error reading WLED "
"status\n");
} else {
len = sprintf(page, "%d\n", (hotk->status & WLED_ON) ? 1 : 0);
}
return len; static int
proc_write_mled(struct file *file, const char *buffer,
unsigned long count, void *data)
{
struct asus_hotk *hotk = (struct asus_hotk *) data;
return write_led(buffer, count, hotk, hotk->methods->mt_mled, MLED_ON, 1);
}
/*
* Proc handlers for WLED
*/
static int
proc_read_wled(char *page, char **start, off_t off, int count, int *eof,
void *data)
{
struct asus_hotk *hotk = (struct asus_hotk *) data;
return sprintf(page, "%d\n", read_led(hotk, hotk->methods->wled_status, WLED_ON));
} }
static int static int
proc_write_wled(struct file *file, const char *buffer, proc_write_wled(struct file *file, const char *buffer,
unsigned long count, void *data) unsigned long count, void *data)
{ {
int value;
int led_out = 0;
struct asus_hotk *hotk = (struct asus_hotk *) data; struct asus_hotk *hotk = (struct asus_hotk *) data;
return write_led(buffer, count, hotk, hotk->methods->mt_wled, WLED_ON, 0);
}
/* scan expression. Multiple expressions may be delimited with ; */ /*
if (sscanf(buffer, "%i", &value) == 1) * Proc handlers for TLED
led_out = value & 1; */
static int
hotk->status = proc_read_tled(char *page, char **start, off_t off, int count, int *eof,
(value) ? (hotk->status | WLED_ON) : (hotk->status & ~WLED_ON); void *data)
{
/* We don't have to check if mt_wled exists if we are here :) */ struct asus_hotk *hotk = (struct asus_hotk *) data;
if (!write_acpi_int(hotk->handle, hotk->methods->mt_wled, led_out, return sprintf(page, "%d\n", read_led(hotk, hotk->methods->tled_status, TLED_ON));
NULL)) }
printk(KERN_WARNING "Asus ACPI: WLED write failed\n");
return count; static int
proc_write_tled(struct file *file, const char *buffer,
unsigned long count, void *data)
{
struct asus_hotk *hotk = (struct asus_hotk *) data;
return write_led(buffer, count, hotk, hotk->methods->mt_tled, TLED_ON, 0);
} }
static int get_lcd_state(struct asus_hotk *hotk) static int get_lcd_state(struct asus_hotk *hotk)
{ {
int lcd = 0; int lcd = 0;
/* We don't have to check anything, if we are here */ if (hotk->model != L3H) {
/* We don't have to check anything if we are here */
if (!read_acpi_int(NULL, hotk->methods->lcd_status, &lcd)) if (!read_acpi_int(NULL, hotk->methods->lcd_status, &lcd))
printk(KERN_WARNING "Asus ACPI: Error reading LCD status\n"); printk(KERN_WARNING "Asus ACPI: Error reading LCD status\n");
if (hotk->model == L2X) if (hotk->model == L2D)
lcd = ~lcd; lcd = ~lcd;
} else { /* L3H and the like have to be handled differently */
acpi_status status = 0;
struct acpi_object_list input;
union acpi_object mt_params[2];
struct acpi_buffer output;
union acpi_object out_obj;
input.count = 2;
input.pointer = mt_params;
/* Note: the following values are partly guessed up, but
otherwise they seem to work */
mt_params[0].type = ACPI_TYPE_INTEGER;
mt_params[0].integer.value = 0x02;
mt_params[1].type = ACPI_TYPE_INTEGER;
mt_params[1].integer.value = 0x02;
output.length = sizeof(out_obj);
output.pointer = &out_obj;
status = acpi_evaluate_object(NULL, hotk->methods->lcd_status, &input, &output);
if (status != AE_OK)
return -1;
if (out_obj.type == ACPI_TYPE_INTEGER)
/* That's what the AML code does */
lcd = out_obj.integer.value >> 8;
}
return (lcd & 1); return (lcd & 1);
} }
static int set_lcd_state(struct asus_hotk *hotk, int value)
{
int lcd = 0;
acpi_status status = 0;
lcd = value ? 1 : 0;
if (lcd != get_lcd_state(hotk)) {
/* switch */
if (hotk->model != L3H) {
status =
acpi_evaluate_object(NULL, hotk->methods->mt_lcd_switch,
NULL, NULL);
} else { /* L3H and the like have to be handled differently */
if (!write_acpi_int(hotk->handle, hotk->methods->mt_lcd_switch, 0x07, NULL))
status = AE_ERROR;
/* L3H's AML executes EHK (0x07) upon Fn+F7 keypress,
the exact behaviour is simulated here */
}
if (ACPI_FAILURE(status))
printk(KERN_WARNING "Asus ACPI: Error switching LCD\n");
}
return 0;
}
static int static int
proc_read_lcd(char *page, char **start, off_t off, int count, int *eof, proc_read_lcd(char *page, char **start, off_t off, int count, int *eof,
...@@ -436,26 +655,10 @@ proc_write_lcd(struct file *file, const char *buffer, ...@@ -436,26 +655,10 @@ proc_write_lcd(struct file *file, const char *buffer,
unsigned long count, void *data) unsigned long count, void *data)
{ {
int value; int value;
int lcd = 0;
acpi_status status = 0;
int lcd_status = 0;
struct asus_hotk *hotk = (struct asus_hotk *) data; struct asus_hotk *hotk = (struct asus_hotk *) data;
/* scan expression. Multiple expressions may be delimited with ; */
if (sscanf(buffer, "%i", &value) == 1) if (sscanf(buffer, "%i", &value) == 1)
lcd = value & 1; set_lcd_state(hotk, value);
lcd_status = get_lcd_state(hotk);
if (lcd_status != lcd) {
/* switch */
status =
acpi_evaluate_object(NULL, hotk->methods->mt_lcd_switch,
NULL, NULL);
if (ACPI_FAILURE(status))
printk(KERN_WARNING "Asus ACPI: Error switching LCD\n");
}
return count; return count;
} }
...@@ -521,7 +724,6 @@ proc_write_brn(struct file *file, const char *buffer, ...@@ -521,7 +724,6 @@ proc_write_brn(struct file *file, const char *buffer,
int value; int value;
struct asus_hotk *hotk = (struct asus_hotk *) data; struct asus_hotk *hotk = (struct asus_hotk *) data;
/* scan expression. Multiple expressions may be delimited with ; */
if (sscanf(buffer, "%d", &value) == 1) { if (sscanf(buffer, "%d", &value) == 1) {
value = (0 < value) ? ((15 < value) ? 15 : value) : 0; value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
/* 0 <= value <= 15 */ /* 0 <= value <= 15 */
...@@ -546,7 +748,6 @@ static void set_display(int value, struct asus_hotk *hotk) ...@@ -546,7 +748,6 @@ static void set_display(int value, struct asus_hotk *hotk)
* Now, *this* one could be more user-friendly, but so far, no-one has * Now, *this* one could be more user-friendly, but so far, no-one has
* complained. The significance of bits is the same as in proc_write_disp() * complained. The significance of bits is the same as in proc_write_disp()
*/ */
static int static int
proc_read_disp(char *page, char **start, off_t off, int count, int *eof, proc_read_disp(char *page, char **start, off_t off, int count, int *eof,
void *data) void *data)
...@@ -560,12 +761,11 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof, ...@@ -560,12 +761,11 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof,
} }
/* /*
* Experimental support for display switching. As of now: 0x01 should activate * Experimental support for display switching. As of now: 1 should activate
* the LCD output, 0x02 should do for CRT, and 0x04 for TV-Out. Any combination * the LCD output, 2 should do for CRT, and 4 for TV-Out. Any combination
* (bitwise) of these will suffice. I never actually tested 3 displays hooked up * (bitwise) of these will suffice. I never actually tested 3 displays hooked up
* simultaneously, so be warned. * simultaneously, so be warned. See the acpi4asus README for more info.
*/ */
static int static int
proc_write_disp(struct file *file, const char *buffer, proc_write_disp(struct file *file, const char *buffer,
unsigned long count, void *data) unsigned long count, void *data)
...@@ -573,7 +773,6 @@ proc_write_disp(struct file *file, const char *buffer, ...@@ -573,7 +773,6 @@ proc_write_disp(struct file *file, const char *buffer,
int value; int value;
struct asus_hotk *hotk = (struct asus_hotk *) data; struct asus_hotk *hotk = (struct asus_hotk *) data;
/* scan expression. Multiple expressions may be delimited with ; */
if (sscanf(buffer, "%d", &value) == 1) if (sscanf(buffer, "%d", &value) == 1)
set_display(value, hotk); set_display(value, hotk);
else { else {
...@@ -583,6 +782,31 @@ proc_write_disp(struct file *file, const char *buffer, ...@@ -583,6 +782,31 @@ proc_write_disp(struct file *file, const char *buffer,
return count; return count;
} }
typedef int (proc_readfunc)(char *page, char **start, off_t off, int count,
int *eof, void *data);
typedef int (proc_writefunc)(struct file *file, const char *buffer,
unsigned long count, void *data);
static int
__init asus_proc_add(char *name, proc_writefunc *writefunc,
proc_readfunc *readfunc, mode_t mode,
struct acpi_device *device)
{
struct proc_dir_entry *proc = create_proc_entry(name, mode, acpi_device_dir(device));
if(!proc) {
printk(KERN_WARNING " Unable to create %s fs entry\n", name);
return -1;
}
proc->write_proc = writefunc;
proc->read_proc = readfunc;
proc->data = acpi_driver_data(device);
proc->owner = THIS_MODULE;
proc->uid = asus_uid;
proc->gid = asus_gid;
return 0;
}
static int __init 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 proc_dir_entry *proc;
...@@ -605,46 +829,28 @@ static int __init asus_hotk_add_fs(struct acpi_device *device) ...@@ -605,46 +829,28 @@ static int __init asus_hotk_add_fs(struct acpi_device *device)
if (!acpi_device_dir(device)) if (!acpi_device_dir(device))
return(-ENODEV); return(-ENODEV);
proc = create_proc_entry(PROC_INFOS, mode, acpi_device_dir(device)); proc = create_proc_entry(PROC_INFO, mode, acpi_device_dir(device));
if (proc) { if (proc) {
proc->read_proc = proc_read_info; proc->read_proc = proc_read_info;
proc->data = acpi_driver_data(device); proc->data = acpi_driver_data(device);
proc->owner = THIS_MODULE; proc->owner = THIS_MODULE;
proc->uid = asus_uid; proc->uid = asus_uid;
proc->gid = asus_gid;; proc->gid = asus_gid;
} else { } else {
printk(KERN_WARNING " Unable to create " PROC_INFOS printk(KERN_WARNING " Unable to create " PROC_INFO
" fs entry\n"); " fs entry\n");
} }
if (hotk->methods->mt_wled) { if (hotk->methods->mt_wled) {
proc = create_proc_entry(PROC_WLED, mode, acpi_device_dir(device)); asus_proc_add(PROC_WLED, &proc_write_wled, &proc_read_wled, mode, device);
if (proc) {
proc->write_proc = proc_write_wled;
proc->read_proc = proc_read_wled;
proc->data = acpi_driver_data(device);
proc->owner = THIS_MODULE;
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_WARNING " Unable to create " PROC_WLED
" fs entry\n");
}
} }
if (hotk->methods->mt_mled) { if (hotk->methods->mt_mled) {
proc = create_proc_entry(PROC_MLED, mode, acpi_device_dir(device)); asus_proc_add(PROC_MLED, &proc_write_mled, &proc_read_mled, mode, device);
if (proc) {
proc->write_proc = proc_write_mled;
proc->read_proc = proc_read_mled;
proc->data = acpi_driver_data(device);
proc->owner = THIS_MODULE;
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_WARNING " Unable to create " PROC_MLED
" fs entry\n");
} }
if (hotk->methods->mt_tled) {
asus_proc_add(PROC_TLED, &proc_write_tled, &proc_read_tled, mode, device);
} }
/* /*
...@@ -652,49 +858,17 @@ static int __init asus_hotk_add_fs(struct acpi_device *device) ...@@ -652,49 +858,17 @@ static int __init asus_hotk_add_fs(struct acpi_device *device)
* from keyboard * from keyboard
*/ */
if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) { if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) {
proc = create_proc_entry(PROC_LCD, mode, acpi_device_dir(device)); asus_proc_add(PROC_LCD, &proc_write_lcd, &proc_read_lcd, mode, device);
if (proc) {
proc->write_proc = proc_write_lcd;
proc->read_proc = proc_read_lcd;
proc->data = acpi_driver_data(device);
proc->owner = THIS_MODULE;
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_WARNING " Unable to create " PROC_LCD
" fs entry\n");
}
} }
if ((hotk->methods->brightness_up && hotk->methods->brightness_down) || if ((hotk->methods->brightness_up && hotk->methods->brightness_down) ||
(hotk->methods->brightness_get && hotk->methods->brightness_get)) { (hotk->methods->brightness_get && hotk->methods->brightness_get)) {
proc = create_proc_entry(PROC_BRN, mode, acpi_device_dir(device)); asus_proc_add(PROC_BRN, &proc_write_brn, &proc_read_brn, mode, device);
if (proc) {
proc->write_proc = proc_write_brn;
proc->read_proc = proc_read_brn;
proc->data = acpi_driver_data(device);
proc->owner = THIS_MODULE;
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_WARNING " Unable to create " PROC_BRN
" fs entry\n");
}
} }
if (hotk->methods->display_set) { if (hotk->methods->display_set) {
proc = create_proc_entry(PROC_DISP, mode, acpi_device_dir(device)); asus_proc_add(PROC_DISP, &proc_write_disp, &proc_read_disp, mode, device);
if (proc) {
proc->write_proc = proc_write_disp;
proc->read_proc = proc_read_disp;
proc->data = acpi_driver_data(device);
proc->owner = THIS_MODULE;
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_WARNING " Unable to create " PROC_DISP
" fs entry\n");
}
} }
return 0; return 0;
...@@ -761,11 +935,6 @@ static int __init asus_hotk_get_info(struct asus_hotk *hotk) ...@@ -761,11 +935,6 @@ static int __init asus_hotk_get_info(struct asus_hotk *hotk)
else if (bsts_result) else if (bsts_result)
printk(KERN_NOTICE " BSTS called, 0x%02x returned\n", 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
* have the same methods (L1X has WLED, S1X don't)
*/
model = (union acpi_object *) buffer.pointer; model = (union acpi_object *) buffer.pointer;
if (model->type == ACPI_TYPE_STRING) { if (model->type == ACPI_TYPE_STRING) {
printk(KERN_NOTICE " %s model detected, ", model->string.pointer); printk(KERN_NOTICE " %s model detected, ", model->string.pointer);
...@@ -774,52 +943,63 @@ static int __init asus_hotk_get_info(struct asus_hotk *hotk) ...@@ -774,52 +943,63 @@ static int __init asus_hotk_get_info(struct asus_hotk *hotk)
hotk->model = END_MODEL; hotk->model = END_MODEL;
if (strncmp(model->string.pointer, "L3D", 3) == 0) if (strncmp(model->string.pointer, "L3D", 3) == 0)
hotk->model = L3D; hotk->model = L3D;
/* else if (strncmp(model->string.pointer, "L3H", 3) == 0 ||
* L2B has same settings that L3X, except for GL32, but as strncmp(model->string.pointer, "L2E", 3) == 0)
* there is no node to get the LCD status, and as GL32 is never hotk->model = L3H;
* used anywhere else, I assume it's safe, even if lcd get is
* broken for this model (TODO fix it ?)
*/
else if (strncmp(model->string.pointer, "L3", 2) == 0 || else if (strncmp(model->string.pointer, "L3", 2) == 0 ||
strncmp(model->string.pointer, "L2B", 3) == 0) strncmp(model->string.pointer, "L2B", 3) == 0)
hotk->model = L3X; hotk->model = L3C;
else if (strncmp(model->string.pointer, "L8L", 3) == 0)
hotk->model = L8L;
else if (strncmp(model->string.pointer, "M2N", 3) == 0 ||
strncmp(model->string.pointer, "M3N", 3) == 0 ||
strncmp(model->string.pointer, "S1N", 3) == 0 ||
strncmp(model->string.pointer, "S5N", 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) else if (strncmp(model->string.pointer, "M2", 2) == 0)
hotk->model = M2X; hotk->model = M2E;
else if (strncmp(model->string.pointer, "M3N", 3) == 0 ||
strncmp(model->string.pointer, "S1N", 3) == 0)
hotk->model = M3N; /* S1300N is similar enough */
else if (strncmp(model->string.pointer, "L2", 2) == 0) else if (strncmp(model->string.pointer, "L2", 2) == 0)
hotk->model = L2X; hotk->model = L2D;
else if (strncmp(model->string.pointer, "L8", 2) == 0) { else if (strncmp(model->string.pointer, "L8", 2) == 0)
/* S1300A reports L84F, but L1400B too */ hotk->model = S1x;
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) else if (strncmp(model->string.pointer, "D1", 2) == 0)
hotk->model = D1X; hotk->model = D1x;
else if (strncmp(model->string.pointer, "A1", 2) == 0) else if (strncmp(model->string.pointer, "A1", 2) == 0)
hotk->model = A1X; hotk->model = A1x;
else if (strncmp(model->string.pointer, "A2", 2) == 0) else if (strncmp(model->string.pointer, "A2", 2) == 0)
hotk->model = A2X; hotk->model = A2x;
else if (strncmp(model->string.pointer, "J1", 2) == 0) else if (strncmp(model->string.pointer, "J1", 2) == 0)
hotk->model = S2X; hotk->model = S2x;
else if (strncmp(model->string.pointer, "L5", 2) == 0) else if (strncmp(model->string.pointer, "L5", 2) == 0)
hotk->model = L5X; hotk->model = L5x;
if (hotk->model == END_MODEL) { if (hotk->model == END_MODEL) {
/* By default use the same values, as I don't know others */ /* By default use the same values, as I don't know others */
printk("unsupported, trying default values, supply the " printk("unsupported, trying default values, supply the "
"developers with your DSDT\n"); "developers with your DSDT\n");
hotk->model = L2X; hotk->model = M2E;
} else { } else {
printk("supported\n"); printk("supported\n");
} }
hotk->methods = &model_conf[hotk->model]; hotk->methods = &model_conf[hotk->model];
/* Sort of per-model blacklist */
if (strncmp(model->string.pointer, "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)
hotk->methods->mt_mled = NULL;
/* S5N has no MLED */
else if (asus_info) {
if (strncmp(asus_info->oem_table_id, "L1", 2) == 0)
hotk->methods->mled_status = NULL;
/* S1300A reports L84F, but L1400B too, account for that */
}
acpi_os_free(model); acpi_os_free(model);
return AE_OK; return AE_OK;
...@@ -917,8 +1097,6 @@ static int __init asus_hotk_add(struct acpi_device *device) ...@@ -917,8 +1097,6 @@ static int __init asus_hotk_add(struct acpi_device *device)
} }
static int asus_hotk_remove(struct acpi_device *device, int type) static int asus_hotk_remove(struct acpi_device *device, int type)
{ {
acpi_status status = 0; acpi_status status = 0;
...@@ -940,15 +1118,13 @@ static int asus_hotk_remove(struct acpi_device *device, int type) ...@@ -940,15 +1118,13 @@ static int asus_hotk_remove(struct acpi_device *device, int type)
} }
static int __init asus_acpi_init(void) static int __init asus_acpi_init(void)
{ {
int result; int result;
asus_proc_dir = proc_mkdir(PROC_ASUS, acpi_root_dir); 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"); printk(KERN_ERR "Asus ACPI: Unable to create /proc entry\n");
return(-ENODEV); return(-ENODEV);
} }
asus_proc_dir->owner = THIS_MODULE; asus_proc_dir->owner = THIS_MODULE;
...@@ -963,7 +1139,6 @@ static int __init asus_acpi_init(void) ...@@ -963,7 +1139,6 @@ static int __init asus_acpi_init(void)
} }
static void __exit asus_acpi_exit(void) static void __exit asus_acpi_exit(void)
{ {
acpi_bus_unregister_driver(&asus_hotk_driver); acpi_bus_unregister_driver(&asus_hotk_driver);
......
drivers/acpi/pci_irq.c
View file @ 0979ec20
...@@ -315,7 +315,6 @@ acpi_pci_irq_enable ( ...@@ -315,7 +315,6 @@ acpi_pci_irq_enable (
{ {
int irq = 0; int irq = 0;
u8 pin = 0; u8 pin = 0;
static u16 irq_mask = 0;
ACPI_FUNCTION_TRACE("acpi_pci_irq_enable"); ACPI_FUNCTION_TRACE("acpi_pci_irq_enable");
...@@ -372,11 +371,14 @@ acpi_pci_irq_enable ( ...@@ -372,11 +371,14 @@ acpi_pci_irq_enable (
* Make sure all (legacy) PCI IRQs are set as level-triggered. * Make sure all (legacy) PCI IRQs are set as level-triggered.
*/ */
#ifdef CONFIG_X86 #ifdef CONFIG_X86
{
static u16 irq_mask;
if ((dev->irq < 16) && !((1 << dev->irq) & irq_mask)) { if ((dev->irq < 16) && !((1 << dev->irq) & irq_mask)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Setting IRQ %d as level-triggered\n", dev->irq)); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Setting IRQ %d as level-triggered\n", dev->irq));
irq_mask |= (1 << dev->irq); irq_mask |= (1 << dev->irq);
eisa_set_level_irq(dev->irq); eisa_set_level_irq(dev->irq);
} }
}
#endif #endif
#ifdef CONFIG_IOSAPIC #ifdef CONFIG_IOSAPIC
if (acpi_irq_model == ACPI_IRQ_MODEL_IOSAPIC) if (acpi_irq_model == ACPI_IRQ_MODEL_IOSAPIC)
......
drivers/acpi/toshiba_acpi.c
View file @ 0979ec20
...@@ -2,7 +2,7 @@ ...@@ -2,7 +2,7 @@
* toshiba_acpi.c - Toshiba Laptop ACPI Extras * toshiba_acpi.c - Toshiba Laptop ACPI Extras
* *
* *
* Copyright (C) 2002-2003 John Belmonte * Copyright (C) 2002-2004 John Belmonte
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
...@@ -33,7 +33,7 @@ ...@@ -33,7 +33,7 @@
* *
*/ */
#define TOSHIBA_ACPI_VERSION "0.16" #define TOSHIBA_ACPI_VERSION "0.17"
#define PROC_INTERFACE_VERSION 1 #define PROC_INTERFACE_VERSION 1
#include <linux/kernel.h> #include <linux/kernel.h>
...@@ -48,9 +48,15 @@ MODULE_AUTHOR("John Belmonte"); ...@@ -48,9 +48,15 @@ MODULE_AUTHOR("John Belmonte");
MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver"); MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
#define MY_LOGPREFIX "toshiba_acpi: "
#define MY_ERR KERN_ERR MY_LOGPREFIX
#define MY_NOTICE KERN_NOTICE MY_LOGPREFIX
#define MY_INFO KERN_INFO MY_LOGPREFIX
/* Toshiba ACPI method paths */ /* Toshiba ACPI method paths */
#define METHOD_LCD_BRIGHTNESS "\\_SB_.PCI0.VGA_.LCD_._BCM" #define METHOD_LCD_BRIGHTNESS "\\_SB_.PCI0.VGA_.LCD_._BCM"
#define METHOD_HCI "\\_SB_.VALD.GHCI" #define METHOD_HCI_1 "\\_SB_.VALD.GHCI"
#define METHOD_HCI_2 "\\_SB_.VALZ.GHCI"
#define METHOD_VIDEO_OUT "\\_SB_.VALX.DSSX" #define METHOD_VIDEO_OUT "\\_SB_.VALX.DSSX"
/* Toshiba HCI interface definitions /* Toshiba HCI interface definitions
...@@ -120,6 +126,16 @@ snscanf(const char* str, int n, const char* format, ...) ...@@ -120,6 +126,16 @@ snscanf(const char* str, int n, const char* format, ...)
/* acpi interface wrappers /* acpi interface wrappers
*/ */
static int
is_valid_acpi_path(const char* methodName)
{
acpi_handle handle;
acpi_status status;
status = acpi_get_handle(0, (char*)methodName, &handle);
return !ACPI_FAILURE(status);
}
static int static int
write_acpi_int(const char* methodName, int val) write_acpi_int(const char* methodName, int val)
{ {
...@@ -154,6 +170,8 @@ read_acpi_int(const char* methodName, int* pVal) ...@@ -154,6 +170,8 @@ read_acpi_int(const char* methodName, int* pVal)
} }
#endif #endif
static const char* method_hci /*= 0*/;
/* Perform a raw HCI call. Here we don't care about input or output buffer /* Perform a raw HCI call. Here we don't care about input or output buffer
* format. * format.
*/ */
...@@ -177,7 +195,7 @@ hci_raw(const u32 in[HCI_WORDS], u32 out[HCI_WORDS]) ...@@ -177,7 +195,7 @@ hci_raw(const u32 in[HCI_WORDS], u32 out[HCI_WORDS])
results.length = sizeof(out_objs); results.length = sizeof(out_objs);
results.pointer = out_objs; results.pointer = out_objs;
status = acpi_evaluate_object(0, METHOD_HCI, &params, status = acpi_evaluate_object(0, (char*)method_hci, &params,
&results); &results);
if ((status == AE_OK) && (out_objs->package.count <= HCI_WORDS)) { if ((status == AE_OK) && (out_objs->package.count <= HCI_WORDS)) {
for (i = 0; i < out_objs->package.count; ++i) { for (i = 0; i < out_objs->package.count; ++i) {
...@@ -215,7 +233,7 @@ hci_read1(u32 reg, u32* out1, u32* result) ...@@ -215,7 +233,7 @@ hci_read1(u32 reg, u32* out1, u32* result)
return status; return status;
} }
static struct proc_dir_entry* toshiba_proc_dir; static struct proc_dir_entry* toshiba_proc_dir /*= 0*/;
static int force_fan; static int force_fan;
static int last_key_event; static int last_key_event;
static int key_event_valid; static int key_event_valid;
...@@ -270,7 +288,7 @@ read_lcd(char* p) ...@@ -270,7 +288,7 @@ read_lcd(char* p)
p += sprintf(p, "brightness_levels: %d\n", p += sprintf(p, "brightness_levels: %d\n",
HCI_LCD_BRIGHTNESS_LEVELS); HCI_LCD_BRIGHTNESS_LEVELS);
} else { } else {
p += sprintf(p, "ERROR\n"); printk(MY_ERR "Error reading LCD brightness\n");
} }
return p; return p;
...@@ -310,7 +328,7 @@ read_video(char* p) ...@@ -310,7 +328,7 @@ read_video(char* p)
p += sprintf(p, "crt_out: %d\n", is_crt); p += sprintf(p, "crt_out: %d\n", is_crt);
p += sprintf(p, "tv_out: %d\n", is_tv); p += sprintf(p, "tv_out: %d\n", is_tv);
} else { } else {
p += sprintf(p, "ERROR\n"); printk(MY_ERR "Error reading video out status\n");
} }
return p; return p;
...@@ -320,25 +338,31 @@ static unsigned long ...@@ -320,25 +338,31 @@ static unsigned long
write_video(const char* buffer, unsigned long count) write_video(const char* buffer, unsigned long count)
{ {
int value; int value;
const char* buffer_end = buffer + count; int remain = count;
int lcd_out = -1; int lcd_out = -1;
int crt_out = -1; int crt_out = -1;
int tv_out = -1; int tv_out = -1;
u32 hci_result; u32 hci_result;
int video_out; int video_out;
/* scan expression. Multiple expressions may be delimited with ; */ /* scan expression. Multiple expressions may be delimited with ;
do { *
if (snscanf(buffer, count, " lcd_out : %i", &value) == 1) * NOTE: to keep scanning simple, invalid fields are ignored
*/
while (remain) {
if (snscanf(buffer, remain, " lcd_out : %i", &value) == 1)
lcd_out = value & 1; lcd_out = value & 1;
else if (snscanf(buffer, count, " crt_out : %i", &value) == 1) else if (snscanf(buffer, remain, " crt_out : %i", &value) == 1)
crt_out = value & 1; crt_out = value & 1;
else if (snscanf(buffer, count, " tv_out : %i", &value) == 1) else if (snscanf(buffer, remain, " tv_out : %i", &value) == 1)
tv_out = value & 1; tv_out = value & 1;
/* advance to one character past the next ; */ /* advance to one character past the next ; */
do ++buffer; do {
while ((buffer < buffer_end) && (*(buffer-1) != ';')); ++buffer;
} while (buffer < buffer_end); --remain;
}
while (remain && *(buffer-1) != ';');
}
hci_read1(HCI_VIDEO_OUT, &video_out, &hci_result); hci_read1(HCI_VIDEO_OUT, &video_out, &hci_result);
if (hci_result == HCI_SUCCESS) { if (hci_result == HCI_SUCCESS) {
...@@ -353,6 +377,8 @@ write_video(const char* buffer, unsigned long count) ...@@ -353,6 +377,8 @@ write_video(const char* buffer, unsigned long count)
* video setting if something changed. */ * video setting if something changed. */
if (new_video_out != video_out) if (new_video_out != video_out)
write_acpi_int(METHOD_VIDEO_OUT, new_video_out); write_acpi_int(METHOD_VIDEO_OUT, new_video_out);
} else {
return -EFAULT;
} }
return count; return count;
...@@ -369,7 +395,7 @@ read_fan(char* p) ...@@ -369,7 +395,7 @@ read_fan(char* p)
p += sprintf(p, "running: %d\n", (value > 0)); p += sprintf(p, "running: %d\n", (value > 0));
p += sprintf(p, "force_on: %d\n", force_fan); p += sprintf(p, "force_on: %d\n", force_fan);
} else { } else {
p += sprintf(p, "ERROR\n"); printk(MY_ERR "Error reading fan status\n");
} }
return p; return p;
...@@ -413,8 +439,9 @@ read_keys(char* p) ...@@ -413,8 +439,9 @@ read_keys(char* p)
* some machines where system events sporadically * some machines where system events sporadically
* become disabled. */ * become disabled. */
hci_write1(HCI_SYSTEM_EVENT, 1, &hci_result); hci_write1(HCI_SYSTEM_EVENT, 1, &hci_result);
printk(MY_NOTICE "Re-enabled hotkeys\n");
} else { } else {
p += sprintf(p, "ERROR\n"); printk(MY_ERR "Error reading hotkey status\n");
goto end; goto end;
} }
} }
...@@ -465,7 +492,7 @@ ProcItem proc_items[] = ...@@ -465,7 +492,7 @@ ProcItem proc_items[] =
{ 0 , 0 , 0 }, { 0 , 0 , 0 },
}; };
static acpi_status static acpi_status __init
add_device(void) add_device(void)
{ {
struct proc_dir_entry* proc; struct proc_dir_entry* proc;
...@@ -483,7 +510,7 @@ add_device(void) ...@@ -483,7 +510,7 @@ add_device(void)
return(AE_OK); return(AE_OK);
} }
static acpi_status static acpi_status __exit
remove_device(void) remove_device(void)
{ {
ProcItem* item; ProcItem* item;
...@@ -497,15 +524,19 @@ static int __init ...@@ -497,15 +524,19 @@ static int __init
toshiba_acpi_init(void) toshiba_acpi_init(void)
{ {
acpi_status status = AE_OK; acpi_status status = AE_OK;
int value;
u32 hci_result; u32 hci_result;
/* simple device detection: try reading an HCI register */ /* simple device detection: look for HCI method */
hci_read1(HCI_LCD_BRIGHTNESS, &value, &hci_result); if (is_valid_acpi_path(METHOD_HCI_1))
if (hci_result != HCI_SUCCESS) method_hci = METHOD_HCI_1;
else if (is_valid_acpi_path(METHOD_HCI_2))
method_hci = METHOD_HCI_2;
else
return -ENODEV; return -ENODEV;
printk("Toshiba Laptop ACPI Extras version %s\n", TOSHIBA_ACPI_VERSION); printk(MY_INFO "Toshiba Laptop ACPI Extras version %s\n",
TOSHIBA_ACPI_VERSION);
printk(MY_INFO " HCI method: %s\n", method_hci);
force_fan = 0; force_fan = 0;
key_event_valid = 0; key_event_valid = 0;
......
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