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-rw-r--r--drivers/acpi/Kconfig12
-rw-r--r--drivers/acpi/Makefile2
-rw-r--r--drivers/acpi/ac.c32
-rw-r--r--drivers/acpi/acpi_memhotplug.c18
-rw-r--r--drivers/acpi/asus_acpi.c335
-rw-r--r--drivers/acpi/battery.c46
-rw-r--r--drivers/acpi/button.c10
-rw-r--r--drivers/acpi/cm_sbs.c131
-rw-r--r--drivers/acpi/container.c2
-rw-r--r--drivers/acpi/fan.c10
-rw-r--r--drivers/acpi/glue.c8
-rw-r--r--drivers/acpi/i2c_ec.c406
-rw-r--r--drivers/acpi/i2c_ec.h23
-rw-r--r--drivers/acpi/namespace/nsxfeval.c2
-rw-r--r--drivers/acpi/numa.c4
-rw-r--r--drivers/acpi/osl.c9
-rw-r--r--drivers/acpi/pci_link.c15
-rw-r--r--drivers/acpi/pci_root.c20
-rw-r--r--drivers/acpi/power.c22
-rw-r--r--drivers/acpi/processor_idle.c2
-rw-r--r--drivers/acpi/processor_perflib.c6
-rw-r--r--drivers/acpi/sbs.c1766
-rw-r--r--drivers/acpi/scan.c4
-rw-r--r--drivers/acpi/system.c4
-rw-r--r--drivers/acpi/thermal.c57
-rw-r--r--drivers/acpi/utilities/utalloc.c4
-rw-r--r--drivers/acpi/utilities/utcache.c2
-rw-r--r--drivers/acpi/utils.c4
-rw-r--r--drivers/acpi/video.c76
29 files changed, 2724 insertions, 308 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index bc2652d72fd..fef7bab1224 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -352,6 +352,18 @@ config ACPI_HOTPLUG_MEMORY
If one selects "m," this driver can be loaded using the following
command:
$>modprobe acpi_memhotplug
+
+config ACPI_SBS
+ tristate "Smart Battery System (EXPERIMENTAL)"
+ depends on X86 && I2C
+ depends on EXPERIMENTAL
+ default y
+ help
+ This driver adds support for the Smart Battery System.
+ Depends on I2C (Device Drivers ---> I2C support)
+ A "Smart Battery" is quite old and quite rare compared
+ to today's ACPI "Control Method" battery.
+
endif # ACPI
endmenu
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index f0a68ecf1e5..bce7ca27b42 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -58,3 +58,5 @@ obj-$(CONFIG_ACPI_IBM) += ibm_acpi.o
obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o
obj-y += scan.o motherboard.o
obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o
+obj-y += cm_sbs.o
+obj-$(CONFIG_ACPI_SBS) += i2c_ec.o sbs.o
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 36ca365bcea..24ccf81d135 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -50,6 +50,9 @@ ACPI_MODULE_NAME("acpi_ac")
MODULE_DESCRIPTION(ACPI_AC_DRIVER_NAME);
MODULE_LICENSE("GPL");
+extern struct proc_dir_entry *acpi_lock_ac_dir(void);
+extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
+
static int acpi_ac_add(struct acpi_device *device);
static int acpi_ac_remove(struct acpi_device *device, int type);
static int acpi_ac_open_fs(struct inode *inode, struct file *file);
@@ -65,7 +68,7 @@ static struct acpi_driver acpi_ac_driver = {
};
struct acpi_ac {
- acpi_handle handle;
+ struct acpi_device * device;
unsigned long state;
};
@@ -88,7 +91,7 @@ static int acpi_ac_get_state(struct acpi_ac *ac)
if (!ac)
return -EINVAL;
- status = acpi_evaluate_integer(ac->handle, "_PSR", NULL, &ac->state);
+ status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL, &ac->state);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Error reading AC Adapter state"));
ac->state = ACPI_AC_STATUS_UNKNOWN;
@@ -191,11 +194,11 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
if (!ac)
return;
- if (acpi_bus_get_device(ac->handle, &device))
- return;
-
+ device = ac->device;
switch (event) {
case ACPI_AC_NOTIFY_STATUS:
+ case ACPI_NOTIFY_BUS_CHECK:
+ case ACPI_NOTIFY_DEVICE_CHECK:
acpi_ac_get_state(ac);
acpi_bus_generate_event(device, event, (u32) ac->state);
break;
@@ -223,7 +226,7 @@ static int acpi_ac_add(struct acpi_device *device)
return -ENOMEM;
memset(ac, 0, sizeof(struct acpi_ac));
- ac->handle = device->handle;
+ ac->device = device;
strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_AC_CLASS);
acpi_driver_data(device) = ac;
@@ -236,8 +239,8 @@ static int acpi_ac_add(struct acpi_device *device)
if (result)
goto end;
- status = acpi_install_notify_handler(ac->handle,
- ACPI_DEVICE_NOTIFY, acpi_ac_notify,
+ status = acpi_install_notify_handler(device->handle,
+ ACPI_ALL_NOTIFY, acpi_ac_notify,
ac);
if (ACPI_FAILURE(status)) {
result = -ENODEV;
@@ -268,8 +271,8 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
ac = (struct acpi_ac *)acpi_driver_data(device);
- status = acpi_remove_notify_handler(ac->handle,
- ACPI_DEVICE_NOTIFY, acpi_ac_notify);
+ status = acpi_remove_notify_handler(device->handle,
+ ACPI_ALL_NOTIFY, acpi_ac_notify);
acpi_ac_remove_fs(device);
@@ -280,17 +283,16 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
static int __init acpi_ac_init(void)
{
- int result = 0;
+ int result;
- acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir);
+ acpi_ac_dir = acpi_lock_ac_dir();
if (!acpi_ac_dir)
return -ENODEV;
- acpi_ac_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_ac_driver);
if (result < 0) {
- remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
+ acpi_unlock_ac_dir(acpi_ac_dir);
return -ENODEV;
}
@@ -302,7 +304,7 @@ static void __exit acpi_ac_exit(void)
acpi_bus_unregister_driver(&acpi_ac_driver);
- remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
+ acpi_unlock_ac_dir(acpi_ac_dir);
return;
}
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index cd57372a672..81e970adeab 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -80,7 +80,7 @@ struct acpi_memory_info {
};
struct acpi_memory_device {
- acpi_handle handle;
+ struct acpi_device * device;
unsigned int state; /* State of the memory device */
struct list_head res_list;
};
@@ -129,7 +129,7 @@ acpi_memory_get_device_resources(struct acpi_memory_device *mem_device)
struct acpi_memory_info *info, *n;
- status = acpi_walk_resources(mem_device->handle, METHOD_NAME__CRS,
+ status = acpi_walk_resources(mem_device->device->handle, METHOD_NAME__CRS,
acpi_memory_get_resource, mem_device);
if (ACPI_FAILURE(status)) {
list_for_each_entry_safe(info, n, &mem_device->res_list, list)
@@ -192,7 +192,7 @@ static int acpi_memory_check_device(struct acpi_memory_device *mem_device)
/* Get device present/absent information from the _STA */
- if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->handle, "_STA",
+ if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->device->handle, "_STA",
NULL, &current_status)))
return -ENODEV;
/*
@@ -222,7 +222,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
return result;
}
- node = acpi_get_node(mem_device->handle);
+ node = acpi_get_node(mem_device->device->handle);
/*
* Tell the VM there is more memory here...
* Note: Assume that this function returns zero on success
@@ -269,7 +269,7 @@ static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device)
arg_list.pointer = &arg;
arg.type = ACPI_TYPE_INTEGER;
arg.integer.value = 1;
- status = acpi_evaluate_object(mem_device->handle,
+ status = acpi_evaluate_object(mem_device->device->handle,
"_EJ0", &arg_list, NULL);
/* Return on _EJ0 failure */
if (ACPI_FAILURE(status)) {
@@ -278,7 +278,7 @@ static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device)
}
/* Evalute _STA to check if the device is disabled */
- status = acpi_evaluate_integer(mem_device->handle, "_STA",
+ status = acpi_evaluate_integer(mem_device->device->handle, "_STA",
NULL, &current_status);
if (ACPI_FAILURE(status))
return -ENODEV;
@@ -398,7 +398,7 @@ static int acpi_memory_device_add(struct acpi_device *device)
memset(mem_device, 0, sizeof(struct acpi_memory_device));
INIT_LIST_HEAD(&mem_device->res_list);
- mem_device->handle = device->handle;
+ mem_device->device = device;
sprintf(acpi_device_name(device), "%s", ACPI_MEMORY_DEVICE_NAME);
sprintf(acpi_device_class(device), "%s", ACPI_MEMORY_DEVICE_CLASS);
acpi_driver_data(device) = mem_device;
@@ -466,7 +466,7 @@ static acpi_status is_memory_device(acpi_handle handle)
info = buffer.pointer;
if (!(info->valid & ACPI_VALID_HID)) {
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return AE_ERROR;
}
@@ -475,7 +475,7 @@ static acpi_status is_memory_device(acpi_handle handle)
(strcmp(hardware_id, ACPI_MEMORY_DEVICE_HID)))
status = AE_ERROR;
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return status;
}
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index 055cfd5c876..e9ee4c52a5f 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -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.
+ * Éric 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 ?
- *
*/
{
@@ -184,6 +182,16 @@ static struct model_data model_conf[END_MODEL] = {
.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",
.mt_lcd_switch = "\\Q0D",
@@ -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",
@@ -345,6 +354,28 @@ static struct model_data model_conf[END_MODEL] = {
.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",
/* WLED present, but not controlled by ACPI */
@@ -563,6 +594,36 @@ proc_write_mled(struct file *file, const char __user * buffer,
}
/*
+ * 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
*/
static int
@@ -581,6 +642,25 @@ proc_write_wled(struct file *file, const char __user * buffer,
}
/*
+ * 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
*/
static int
@@ -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
@@ -951,6 +1045,65 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
}
/*
+ * 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;
/*
@@ -989,114 +1143,73 @@ 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];
-
- acpi_os_free(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;
/* S1300A reports L84F, but L1400B too, account for that */
}
- acpi_os_free(model);
+ kfree(model);
return AE_OK;
}
@@ -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);
@@ -1256,7 +1371,7 @@ static void __exit asus_acpi_exit(void)
acpi_bus_unregister_driver(&asus_hotk_driver);
remove_proc_entry(PROC_ASUS, acpi_root_dir);
- acpi_os_free(asus_info);
+ kfree(asus_info);
return;
}
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 00b0728efe8..24bf4dca88c 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -59,6 +59,9 @@ ACPI_MODULE_NAME("acpi_battery")
MODULE_DESCRIPTION(ACPI_BATTERY_DRIVER_NAME);
MODULE_LICENSE("GPL");
+extern struct proc_dir_entry *acpi_lock_battery_dir(void);
+extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
+
static int acpi_battery_add(struct acpi_device *device);
static int acpi_battery_remove(struct acpi_device *device, int type);
@@ -108,7 +111,7 @@ struct acpi_battery_trips {
};
struct acpi_battery {
- acpi_handle handle;
+ struct acpi_device * device;
struct acpi_battery_flags flags;
struct acpi_battery_trips trips;
unsigned long alarm;
@@ -138,7 +141,7 @@ acpi_battery_get_info(struct acpi_battery *battery,
/* Evalute _BIF */
- status = acpi_evaluate_object(battery->handle, "_BIF", NULL, &buffer);
+ status = acpi_evaluate_object(battery->device->handle, "_BIF", NULL, &buffer);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BIF"));
return -ENODEV;
@@ -171,7 +174,7 @@ acpi_battery_get_info(struct acpi_battery *battery,
}
end:
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
if (!result)
(*bif) = (struct acpi_battery_info *)data.pointer;
@@ -198,7 +201,7 @@ acpi_battery_get_status(struct acpi_battery *battery,
/* Evalute _BST */
- status = acpi_evaluate_object(battery->handle, "_BST", NULL, &buffer);
+ status = acpi_evaluate_object(battery->device->handle, "_BST", NULL, &buffer);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BST"));
return -ENODEV;
@@ -231,7 +234,7 @@ acpi_battery_get_status(struct acpi_battery *battery,
}
end:
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
if (!result)
(*bst) = (struct acpi_battery_status *)data.pointer;
@@ -255,7 +258,7 @@ acpi_battery_set_alarm(struct acpi_battery *battery, unsigned long alarm)
arg0.integer.value = alarm;
- status = acpi_evaluate_object(battery->handle, "_BTP", &arg_list, NULL);
+ status = acpi_evaluate_object(battery->device->handle, "_BTP", &arg_list, NULL);
if (ACPI_FAILURE(status))
return -ENODEV;
@@ -278,9 +281,7 @@ static int acpi_battery_check(struct acpi_battery *battery)
if (!battery)
return -EINVAL;
- result = acpi_bus_get_device(battery->handle, &device);
- if (result)
- return result;
+ device = battery->device;
result = acpi_bus_get_status(device);
if (result)
@@ -305,7 +306,7 @@ static int acpi_battery_check(struct acpi_battery *battery)
/* See if alarms are supported, and if so, set default */
- status = acpi_get_handle(battery->handle, "_BTP", &handle);
+ status = acpi_get_handle(battery->device->handle, "_BTP", &handle);
if (ACPI_SUCCESS(status)) {
battery->flags.alarm = 1;
acpi_battery_set_alarm(battery, battery->trips.warning);
@@ -662,12 +663,13 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data)
if (!battery)
return;
- if (acpi_bus_get_device(handle, &device))
- return;
+ device = battery->device;
switch (event) {
case ACPI_BATTERY_NOTIFY_STATUS:
case ACPI_BATTERY_NOTIFY_INFO:
+ case ACPI_NOTIFY_BUS_CHECK:
+ case ACPI_NOTIFY_DEVICE_CHECK:
acpi_battery_check(battery);
acpi_bus_generate_event(device, event, battery->flags.present);
break;
@@ -695,7 +697,7 @@ static int acpi_battery_add(struct acpi_device *device)
return -ENOMEM;
memset(battery, 0, sizeof(struct acpi_battery));
- battery->handle = device->handle;
+ battery->device = device;
strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
acpi_driver_data(device) = battery;
@@ -708,8 +710,8 @@ static int acpi_battery_add(struct acpi_device *device)
if (result)
goto end;
- status = acpi_install_notify_handler(battery->handle,
- ACPI_DEVICE_NOTIFY,
+ status = acpi_install_notify_handler(device->handle,
+ ACPI_ALL_NOTIFY,
acpi_battery_notify, battery);
if (ACPI_FAILURE(status)) {
result = -ENODEV;
@@ -740,8 +742,8 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
battery = (struct acpi_battery *)acpi_driver_data(device);
- status = acpi_remove_notify_handler(battery->handle,
- ACPI_DEVICE_NOTIFY,
+ status = acpi_remove_notify_handler(device->handle,
+ ACPI_ALL_NOTIFY,
acpi_battery_notify);
acpi_battery_remove_fs(device);
@@ -753,17 +755,15 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
static int __init acpi_battery_init(void)
{
- int result = 0;
-
+ int result;
- acpi_battery_dir = proc_mkdir(ACPI_BATTERY_CLASS, acpi_root_dir);
+ acpi_battery_dir = acpi_lock_battery_dir();
if (!acpi_battery_dir)
return -ENODEV;
- acpi_battery_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_battery_driver);
if (result < 0) {
- remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir);
+ acpi_unlock_battery_dir(acpi_battery_dir);
return -ENODEV;
}
@@ -775,7 +775,7 @@ static void __exit acpi_battery_exit(void)
acpi_bus_unregister_driver(&acpi_battery_driver);
- remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir);
+ acpi_unlock_battery_dir(acpi_battery_dir);
return;
}
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 02594639c4d..fd1ba05eab6 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -82,7 +82,6 @@ static struct acpi_driver acpi_button_driver = {
};
struct acpi_button {
- acpi_handle handle;
struct acpi_device *device; /* Fixed button kludge */
u8 type;
unsigned long pushed;
@@ -137,7 +136,7 @@ static int acpi_button_state_seq_show(struct seq_file *seq, void *offset)
if (!button || !button->device)
return 0;
- status = acpi_evaluate_integer(button->handle, "_LID", NULL, &state);
+ status = acpi_evaluate_integer(button->device->handle, "_LID", NULL, &state);
if (ACPI_FAILURE(status)) {
seq_printf(seq, "state: unsupported\n");
} else {
@@ -282,7 +281,7 @@ static acpi_status acpi_button_notify_fixed(void *data)
if (!button)
return AE_BAD_PARAMETER;
- acpi_button_notify(button->handle, ACPI_BUTTON_NOTIFY_STATUS, button);
+ acpi_button_notify(button->device->handle, ACPI_BUTTON_NOTIFY_STATUS, button);
return AE_OK;
}
@@ -303,7 +302,6 @@ static int acpi_button_add(struct acpi_device *device)
memset(button, 0, sizeof(struct acpi_button));
button->device = device;
- button->handle = device->handle;
acpi_driver_data(device) = button;
/*
@@ -362,7 +360,7 @@ static int acpi_button_add(struct acpi_device *device)
button);
break;
default:
- status = acpi_install_notify_handler(button->handle,
+ status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_button_notify,
button);
@@ -420,7 +418,7 @@ static int acpi_button_remove(struct acpi_device *device, int type)
acpi_button_notify_fixed);
break;
default:
- status = acpi_remove_notify_handler(button->handle,
+ status = acpi_remove_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_button_notify);
break;
diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c
new file mode 100644
index 00000000000..574a75a166c
--- /dev/null
+++ b/drivers/acpi/cm_sbs.c
@@ -0,0 +1,131 @@
+/*
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <linux/types.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+#include <acpi/acmacros.h>
+#include <acpi/actypes.h>
+#include <acpi/acutils.h>
+
+ACPI_MODULE_NAME("cm_sbs")
+#define ACPI_AC_CLASS "ac_adapter"
+#define ACPI_BATTERY_CLASS "battery"
+#define ACPI_SBS_COMPONENT 0x00080000
+#define _COMPONENT ACPI_SBS_COMPONENT
+static struct proc_dir_entry *acpi_ac_dir;
+static struct proc_dir_entry *acpi_battery_dir;
+
+static struct semaphore cm_sbs_sem;
+
+static int lock_ac_dir_cnt = 0;
+static int lock_battery_dir_cnt = 0;
+
+struct proc_dir_entry *acpi_lock_ac_dir(void)
+{
+
+ down(&cm_sbs_sem);
+ if (!acpi_ac_dir) {
+ acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir);
+ }
+ if (acpi_ac_dir) {
+ lock_ac_dir_cnt++;
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Cannot create %s\n", ACPI_AC_CLASS));
+ }
+ up(&cm_sbs_sem);
+ return acpi_ac_dir;
+}
+
+EXPORT_SYMBOL(acpi_lock_ac_dir);
+
+void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir_param)
+{
+
+ down(&cm_sbs_sem);
+ if (acpi_ac_dir_param) {
+ lock_ac_dir_cnt--;
+ }
+ if (lock_ac_dir_cnt == 0 && acpi_ac_dir_param && acpi_ac_dir) {
+ remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
+ acpi_ac_dir = 0;
+ }
+ up(&cm_sbs_sem);
+}
+
+EXPORT_SYMBOL(acpi_unlock_ac_dir);
+
+struct proc_dir_entry *acpi_lock_battery_dir(void)
+{
+
+ down(&cm_sbs_sem);
+ if (!acpi_battery_dir) {
+ acpi_battery_dir =
+ proc_mkdir(ACPI_BATTERY_CLASS, acpi_root_dir);
+ }
+ if (acpi_battery_dir) {
+ lock_battery_dir_cnt++;
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Cannot create %s\n", ACPI_BATTERY_CLASS));
+ }
+ up(&cm_sbs_sem);
+ return acpi_battery_dir;
+}
+
+EXPORT_SYMBOL(acpi_lock_battery_dir);
+
+void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir_param)
+{
+
+ down(&cm_sbs_sem);
+ if (acpi_battery_dir_param) {
+ lock_battery_dir_cnt--;
+ }
+ if (lock_battery_dir_cnt == 0 && acpi_battery_dir_param
+ && acpi_battery_dir) {
+ remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir);
+ acpi_battery_dir = 0;
+ }
+ up(&cm_sbs_sem);
+ return;
+}
+
+EXPORT_SYMBOL(acpi_unlock_battery_dir);
+
+static int __init acpi_cm_sbs_init(void)
+{
+
+ if (acpi_disabled)
+ return 0;
+
+ init_MUTEX(&cm_sbs_sem);
+
+ return 0;
+}
+
+subsys_initcall(acpi_cm_sbs_init);
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 7f7e41d40a3..871aa520ece 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -236,7 +236,7 @@ container_walk_namespace_cb(acpi_handle handle,
}
end:
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return AE_OK;
}
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 38acc69b21b..daed2460924 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -64,7 +64,7 @@ static struct acpi_driver acpi_fan_driver = {
};
struct acpi_fan {
- acpi_handle handle;
+ struct acpi_device * device;
};
/* --------------------------------------------------------------------------
@@ -80,7 +80,7 @@ static int acpi_fan_read_state(struct seq_file *seq, void *offset)
if (fan) {
- if (acpi_bus_get_power(fan->handle, &state))
+ if (acpi_bus_get_power(fan->device->handle, &state))
seq_printf(seq, "status: ERROR\n");
else
seq_printf(seq, "status: %s\n",
@@ -112,7 +112,7 @@ acpi_fan_write_state(struct file *file, const char __user * buffer,
state_string[count] = '\0';
- result = acpi_bus_set_power(fan->handle,
+ result = acpi_bus_set_power(fan->device->handle,
simple_strtoul(state_string, NULL, 0));
if (result)
return result;
@@ -191,12 +191,12 @@ static int acpi_fan_add(struct acpi_device *device)
return -ENOMEM;
memset(fan, 0, sizeof(struct acpi_fan));
- fan->handle = device->handle;
+ fan->device = device;
strcpy(acpi_device_name(device), "Fan");
strcpy(acpi_device_class(device), ACPI_FAN_CLASS);
acpi_driver_data(device) = fan;
- result = acpi_bus_get_power(fan->handle, &state);
+ result = acpi_bus_get_power(device->handle, &state);
if (result) {
printk(KERN_ERR PREFIX "Reading power state\n");
goto end;
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 8daef57b994..10f160dc75b 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -152,7 +152,7 @@ static int get_root_bridge_busnr(acpi_handle handle)
bbn = bus;
}
exit:
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return (int)bbn;
}
@@ -192,7 +192,7 @@ find_pci_rootbridge(acpi_handle handle, u32 lvl, void *context, void **rv)
find->handle = handle;
status = AE_OK;
exit:
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return status;
}
@@ -224,7 +224,7 @@ do_acpi_find_child(acpi_handle handle, u32 lvl, void *context, void **rv)
info = buffer.pointer;
if (info->address == find->address)
find->handle = handle;
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
}
return AE_OK;
}
@@ -330,7 +330,7 @@ static int acpi_platform_notify(struct device *dev)
acpi_get_name(dev->firmware_data, ACPI_FULL_PATHNAME, &buffer);
DBG("Device %s -> %s\n", dev->bus_id, (char *)buffer.pointer);
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
} else
DBG("Device %s -> No ACPI support\n", dev->bus_id);
#endif
diff --git a/drivers/acpi/i2c_ec.c b/drivers/acpi/i2c_ec.c
new file mode 100644
index 00000000000..84239d51dc0
--- /dev/null
+++ b/drivers/acpi/i2c_ec.c
@@ -0,0 +1,406 @@
+/*
+ * SMBus driver for ACPI Embedded Controller ($Revision: 1.3 $)
+ *
+ * Copyright (c) 2002, 2005 Ducrot Bruno
+ * Copyright (c) 2005 Rich Townsend (tiny hacks & tweaks)
+ *
+ * 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
+ * the Free Software Foundation version 2.
+ */
+
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/stddef.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/acpi.h>
+#include <linux/delay.h>
+
+#include "i2c_ec.h"
+
+#define xudelay(t) udelay(t)
+#define xmsleep(t) msleep(t)
+
+#define ACPI_EC_HC_COMPONENT 0x00080000
+#define ACPI_EC_HC_CLASS "ec_hc_smbus"
+#define ACPI_EC_HC_HID "ACPI0001"
+#define ACPI_EC_HC_DRIVER_NAME "ACPI EC HC smbus driver"
+#define ACPI_EC_HC_DEVICE_NAME "EC HC smbus"
+
+#define _COMPONENT ACPI_EC_HC_COMPONENT
+
+ACPI_MODULE_NAME("acpi_smbus")
+
+static int acpi_ec_hc_add(struct acpi_device *device);
+static int acpi_ec_hc_remove(struct acpi_device *device, int type);
+
+static struct acpi_driver acpi_ec_hc_driver = {
+ .name = ACPI_EC_HC_DRIVER_NAME,
+ .class = ACPI_EC_HC_CLASS,
+ .ids = ACPI_EC_HC_HID,
+ .ops = {
+ .add = acpi_ec_hc_add,
+ .remove = acpi_ec_hc_remove,
+ },
+};
+
+/* Various bit mask for EC_SC (R) */
+#define OBF 0x01
+#define IBF 0x02
+#define CMD 0x08
+#define BURST 0x10
+#define SCI_EVT 0x20
+#define SMI_EVT 0x40
+
+/* Commands for EC_SC (W) */
+#define RD_EC 0x80
+#define WR_EC 0x81
+#define BE_EC 0x82
+#define BD_EC 0x83
+#define QR_EC 0x84
+
+/*
+ * ACPI 2.0 chapter 13 SMBus 2.0 EC register model
+ */
+
+#define ACPI_EC_SMB_PRTCL 0x00 /* protocol, PEC */
+#define ACPI_EC_SMB_STS 0x01 /* status */
+#define ACPI_EC_SMB_ADDR 0x02 /* address */
+#define ACPI_EC_SMB_CMD 0x03 /* command */
+#define ACPI_EC_SMB_DATA 0x04 /* 32 data registers */
+#define ACPI_EC_SMB_BCNT 0x24 /* number of data bytes */
+#define ACPI_EC_SMB_ALRM_A 0x25 /* alarm address */
+#define ACPI_EC_SMB_ALRM_D 0x26 /* 2 bytes alarm data */
+
+#define ACPI_EC_SMB_STS_DONE 0x80
+#define ACPI_EC_SMB_STS_ALRM 0x40
+#define ACPI_EC_SMB_STS_RES 0x20
+#define ACPI_EC_SMB_STS_STATUS 0x1f
+
+#define ACPI_EC_SMB_STATUS_OK 0x00
+#define ACPI_EC_SMB_STATUS_FAIL 0x07
+#define ACPI_EC_SMB_STATUS_DNAK 0x10
+#define ACPI_EC_SMB_STATUS_DERR 0x11
+#define ACPI_EC_SMB_STATUS_CMD_DENY 0x12
+#define ACPI_EC_SMB_STATUS_UNKNOWN 0x13
+#define ACPI_EC_SMB_STATUS_ACC_DENY 0x17
+#define ACPI_EC_SMB_STATUS_TIMEOUT 0x18
+#define ACPI_EC_SMB_STATUS_NOTSUP 0x19
+#define ACPI_EC_SMB_STATUS_BUSY 0x1A
+#define ACPI_EC_SMB_STATUS_PEC 0x1F
+
+#define ACPI_EC_SMB_PRTCL_WRITE 0x00
+#define ACPI_EC_SMB_PRTCL_READ 0x01
+#define ACPI_EC_SMB_PRTCL_QUICK 0x02
+#define ACPI_EC_SMB_PRTCL_BYTE 0x04
+#define ACPI_EC_SMB_PRTCL_BYTE_DATA 0x06
+#define ACPI_EC_SMB_PRTCL_WORD_DATA 0x08
+#define ACPI_EC_SMB_PRTCL_BLOCK_DATA 0x0a
+#define ACPI_EC_SMB_PRTCL_PROC_CALL 0x0c
+#define ACPI_EC_SMB_PRTCL_BLOCK_PROC_CALL 0x0d
+#define ACPI_EC_SMB_PRTCL_I2C_BLOCK_DATA 0x4a
+#define ACPI_EC_SMB_PRTCL_PEC 0x80
+
+/* Length of pre/post transaction sleep (msec) */
+#define ACPI_EC_SMB_TRANSACTION_SLEEP 1
+#define ACPI_EC_SMB_ACCESS_SLEEP1 1
+#define ACPI_EC_SMB_ACCESS_SLEEP2 10
+
+static int acpi_ec_smb_read(struct acpi_ec_smbus *smbus, u8 address, u8 * data)
+{
+ u8 val;
+ int err;
+
+ err = ec_read(smbus->base + address, &val);
+ if (!err) {
+ *data = val;
+ }
+ xmsleep(ACPI_EC_SMB_TRANSACTION_SLEEP);
+ return (err);
+}
+
+static int acpi_ec_smb_write(struct acpi_ec_smbus *smbus, u8 address, u8 data)
+{
+ int err;
+
+ err = ec_write(smbus->base + address, data);
+ return (err);
+}
+
+static int
+acpi_ec_smb_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
+ char read_write, u8 command, int size,
+ union i2c_smbus_data *data)
+{
+ struct acpi_ec_smbus *smbus = adap->algo_data;
+ unsigned char protocol, len = 0, pec, temp[2] = { 0, 0 };
+ int i;
+
+ if (read_write == I2C_SMBUS_READ) {
+ protocol = ACPI_EC_SMB_PRTCL_READ;
+ } else {
+ protocol = ACPI_EC_SMB_PRTCL_WRITE;
+ }
+ pec = (flags & I2C_CLIENT_PEC) ? ACPI_EC_SMB_PRTCL_PEC : 0;
+
+ switch (size) {
+
+ case I2C_SMBUS_QUICK:
+ protocol |= ACPI_EC_SMB_PRTCL_QUICK;
+ read_write = I2C_SMBUS_WRITE;
+ break;
+
+ case I2C_SMBUS_BYTE:
+ if (read_write == I2C_SMBUS_WRITE) {
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->byte);
+ }
+ protocol |= ACPI_EC_SMB_PRTCL_BYTE;
+ break;
+
+ case I2C_SMBUS_BYTE_DATA:
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
+ if (read_write == I2C_SMBUS_WRITE) {
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->byte);
+ }
+ protocol |= ACPI_EC_SMB_PRTCL_BYTE_DATA;
+ break;
+
+ case I2C_SMBUS_WORD_DATA:
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
+ if (read_write == I2C_SMBUS_WRITE) {
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->word);
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + 1,
+ data->word >> 8);
+ }
+ protocol |= ACPI_EC_SMB_PRTCL_WORD_DATA | pec;
+ break;
+
+ case I2C_SMBUS_BLOCK_DATA:
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
+ if (read_write == I2C_SMBUS_WRITE) {
+ len = min_t(u8, data->block[0], 32);
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_BCNT, len);
+ for (i = 0; i < len; i++)
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + i,
+ data->block[i + 1]);
+ }
+ protocol |= ACPI_EC_SMB_PRTCL_BLOCK_DATA | pec;
+ break;
+
+ case I2C_SMBUS_I2C_BLOCK_DATA:
+ len = min_t(u8, data->block[0], 32);
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_BCNT, len);
+ if (read_write == I2C_SMBUS_WRITE) {
+ for (i = 0; i < len; i++) {
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + i,
+ data->block[i + 1]);
+ }
+ }
+ protocol |= ACPI_EC_SMB_PRTCL_I2C_BLOCK_DATA;
+ break;
+
+ case I2C_SMBUS_PROC_CALL:
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA, data->word);
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + 1, data->word >> 8);
+ protocol = ACPI_EC_SMB_PRTCL_PROC_CALL | pec;
+ read_write = I2C_SMBUS_READ;
+ break;
+
+ case I2C_SMBUS_BLOCK_PROC_CALL:
+ protocol |= pec;
+ len = min_t(u8, data->block[0], 31);
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_CMD, command);
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_BCNT, len);
+ for (i = 0; i < len; i++)
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_DATA + i,
+ data->block[i + 1]);
+ protocol = ACPI_EC_SMB_PRTCL_BLOCK_PROC_CALL | pec;
+ read_write = I2C_SMBUS_READ;
+ break;
+
+ default:
+ ACPI_DEBUG_PRINT((ACPI_DB_WARN, "EC SMBus adapter: "
+ "Unsupported transaction %d\n", size));
+ return (-1);
+ }
+
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_ADDR, addr << 1);
+ acpi_ec_smb_write(smbus, ACPI_EC_SMB_PRTCL, protocol);
+
+ acpi_ec_smb_read(smbus, ACPI_EC_SMB_STS, temp + 0);
+
+ if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
+ xudelay(500);
+ acpi_ec_smb_read(smbus, ACPI_EC_SMB_STS, temp + 0);
+ }
+ if (~temp[0] & ACPI_EC_SMB_STS_DONE) {
+ xmsleep(ACPI_EC_SMB_ACCESS_SLEEP2);
+ acpi_ec_smb_read(smbus, ACPI_EC_SMB_STS, temp + 0);
+ }
+ if ((~temp[0] & ACPI_EC_SMB_STS_DONE)
+ || (temp[0] & ACPI_EC_SMB_STS_STATUS)) {
+ return (-1);
+ }
+
+ if (read_write == I2C_SMBUS_WRITE) {
+ return (0);
+ }
+
+ switch (size) {
+
+ case I2C_SMBUS_BYTE:
+ case I2C_SMBUS_BYTE_DATA:
+ acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA, &data->byte);
+ break;
+
+ case I2C_SMBUS_WORD_DATA:
+ case I2C_SMBUS_PROC_CALL:
+ acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA, temp + 0);
+ acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA + 1, temp + 1);
+ data->word = (temp[1] << 8) | temp[0];
+ break;
+
+ case I2C_SMBUS_BLOCK_DATA:
+ case I2C_SMBUS_BLOCK_PROC_CALL:
+ len = 0;
+ acpi_ec_smb_read(smbus, ACPI_EC_SMB_BCNT, &len);
+ len = min_t(u8, len, 32);
+ case I2C_SMBUS_I2C_BLOCK_DATA:
+ for (i = 0; i < len; i++)
+ acpi_ec_smb_read(smbus, ACPI_EC_SMB_DATA + i,
+ data->block + i + 1);
+ data->block[0] = len;
+ break;
+ }
+
+ return (0);
+}
+
+static u32 acpi_ec_smb_func(struct i2c_adapter *adapter)
+{
+
+ return (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
+ I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
+ I2C_FUNC_SMBUS_BLOCK_DATA |
+ I2C_FUNC_SMBUS_PROC_CALL |
+ I2C_FUNC_SMBUS_BLOCK_PROC_CALL |
+ I2C_FUNC_SMBUS_I2C_BLOCK | I2C_FUNC_SMBUS_HWPEC_CALC);
+}
+
+static struct i2c_algorithm acpi_ec_smbus_algorithm = {
+ .smbus_xfer = acpi_ec_smb_access,
+ .functionality = acpi_ec_smb_func,
+};
+
+static int acpi_ec_hc_add(struct acpi_device *device)
+{
+ int status;
+ unsigned long val;
+ struct acpi_ec_hc *ec_hc;
+ struct acpi_ec_smbus *smbus;
+
+ if (!device) {
+ return -EINVAL;
+ }
+
+ ec_hc = kmalloc(sizeof(struct acpi_ec_hc), GFP_KERNEL);
+ if (!ec_hc) {
+ return -ENOMEM;
+ }
+ memset(ec_hc, 0, sizeof(struct acpi_ec_hc));
+
+ smbus = kmalloc(sizeof(struct acpi_ec_smbus), GFP_KERNEL);
+ if (!smbus) {
+ kfree(ec_hc);
+ return -ENOMEM;
+ }
+ memset(smbus, 0, sizeof(struct acpi_ec_smbus));
+
+ ec_hc->handle = device->handle;
+ strcpy(acpi_device_name(device), ACPI_EC_HC_DEVICE_NAME);
+ strcpy(acpi_device_class(device), ACPI_EC_HC_CLASS);
+ acpi_driver_data(device) = ec_hc;
+
+ status = acpi_evaluate_integer(ec_hc->handle, "_EC", NULL, &val);
+ if (ACPI_FAILURE(status)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Error obtaining _EC\n"));
+ kfree(ec_hc->smbus);
+ kfree(smbus);
+ return -EIO;
+ }
+
+ smbus->ec = acpi_driver_data(device->parent);
+ smbus->base = (val & 0xff00ull) >> 8;
+ smbus->alert = val & 0xffull;
+
+ smbus->adapter.owner = THIS_MODULE;
+ smbus->adapter.algo = &acpi_ec_smbus_algorithm;
+ smbus->adapter.algo_data = smbus;
+
+ if (i2c_add_adapter(&smbus->adapter)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_WARN,
+ "EC SMBus adapter: Failed to register adapter\n"));
+ kfree(smbus);
+ kfree(ec_hc);
+ return -EIO;
+ }
+
+ ec_hc->smbus = smbus;
+
+ printk(KERN_INFO PREFIX "%s [%s]\n",
+ acpi_device_name(device), acpi_device_bid(device));
+
+ return AE_OK;
+}
+
+static int acpi_ec_hc_remove(struct acpi_device *device, int type)
+{
+ struct acpi_ec_hc *ec_hc;
+
+ if (!device) {
+ return -EINVAL;
+ }
+ ec_hc = acpi_driver_data(device);
+
+ i2c_del_adapter(&ec_hc->smbus->adapter);
+ kfree(ec_hc->smbus);
+ kfree(ec_hc);
+
+ return AE_OK;
+}
+
+static int __init acpi_ec_hc_init(void)
+{
+ int result;
+
+ result = acpi_bus_register_driver(&acpi_ec_hc_driver);
+ if (result < 0) {
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static void __exit acpi_ec_hc_exit(void)
+{
+ acpi_bus_unregister_driver(&acpi_ec_hc_driver);
+}
+
+struct acpi_ec_hc *acpi_get_ec_hc(struct acpi_device *device)
+{
+ return ((struct acpi_ec_hc *)acpi_driver_data(device->parent));
+}
+
+EXPORT_SYMBOL(acpi_get_ec_hc);
+
+module_init(acpi_ec_hc_init);
+module_exit(acpi_ec_hc_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ducrot Bruno");
+MODULE_DESCRIPTION("ACPI EC SMBus driver");
diff --git a/drivers/acpi/i2c_ec.h b/drivers/acpi/i2c_ec.h
new file mode 100644
index 00000000000..7c53fb732d6
--- /dev/null
+++ b/drivers/acpi/i2c_ec.h
@@ -0,0 +1,23 @@
+/*
+ * SMBus driver for ACPI Embedded Controller ($Revision: 1.2 $)
+ *
+ * Copyright (c) 2002, 2005 Ducrot Bruno
+ *
+ * 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
+ * the Free Software Foundation version 2.
+ */
+
+struct acpi_ec_smbus {
+ struct i2c_adapter adapter;
+ union acpi_ec *ec;
+ int base;
+ int alert;
+};
+
+struct acpi_ec_hc {
+ acpi_handle handle;
+ struct acpi_ec_smbus *smbus;
+};
+
+struct acpi_ec_hc *acpi_get_ec_hc(struct acpi_device *device);
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index 6d9bd45af30..dca6799ac67 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -133,7 +133,7 @@ acpi_evaluate_object_typed(acpi_handle handle,
/* Caller used ACPI_ALLOCATE_BUFFER, free the return buffer */
- acpi_os_free(return_buffer->pointer);
+ ACPI_FREE(return_buffer->pointer);
return_buffer->pointer = NULL;
}
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 4d622981f61..e5e448edca4 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -259,12 +259,10 @@ int acpi_get_node(acpi_handle *handle)
{
int pxm, node = -1;
- ACPI_FUNCTION_TRACE("acpi_get_node");
-
pxm = acpi_get_pxm(handle);
if (pxm >= 0)
node = acpi_map_pxm_to_node(pxm);
- return_VALUE(node);
+ return node;
}
EXPORT_SYMBOL(acpi_get_node);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 5a468e2779a..eedb05c6dc7 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -146,13 +146,6 @@ void *acpi_os_allocate(acpi_size size)
return kmalloc(size, GFP_KERNEL);
}
-void acpi_os_free(void *ptr)
-{
- kfree(ptr);
-}
-
-EXPORT_SYMBOL(acpi_os_free);
-
acpi_status acpi_os_get_root_pointer(u32 flags, struct acpi_pointer *addr)
{
if (efi_enabled) {
@@ -742,7 +735,7 @@ acpi_status acpi_os_delete_semaphore(acpi_handle handle)
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting semaphore[%p].\n", handle));
- acpi_os_free(sem);
+ kfree(sem);
sem = NULL;
return AE_OK;
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 1badce27a83..8197c0e4076 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -83,7 +83,6 @@ struct acpi_pci_link_irq {
struct acpi_pci_link {
struct list_head node;
struct acpi_device *device;
- acpi_handle handle;
struct acpi_pci_link_irq irq;
int refcnt;
};
@@ -175,7 +174,7 @@ static int acpi_pci_link_get_possible(struct acpi_pci_link *link)
if (!link)
return -EINVAL;
- status = acpi_walk_resources(link->handle, METHOD_NAME__PRS,
+ status = acpi_walk_resources(link->device->handle, METHOD_NAME__PRS,
acpi_pci_link_check_possible, link);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRS"));
@@ -249,8 +248,7 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link)
acpi_status status = AE_OK;
int irq = 0;
-
- if (!link || !link->handle)
+ if (!link)
return -EINVAL;
link->irq.active = 0;
@@ -274,7 +272,7 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link)
* Query and parse _CRS to get the current IRQ assignment.
*/
- status = acpi_walk_resources(link->handle, METHOD_NAME__CRS,
+ status = acpi_walk_resources(link->device->handle, METHOD_NAME__CRS,
acpi_pci_link_check_current, &irq);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Evaluating _CRS"));
@@ -360,7 +358,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
resource->end.type = ACPI_RESOURCE_TYPE_END_TAG;
/* Attempt to set the resource */
- status = acpi_set_current_resources(link->handle, &buffer);
+ status = acpi_set_current_resources(link->device->handle, &buffer);
/* check for total failure */
if (ACPI_FAILURE(status)) {
@@ -699,7 +697,7 @@ int acpi_pci_link_free_irq(acpi_handle handle)
acpi_device_bid(link->device)));
if (link->refcnt == 0) {
- acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
+ acpi_ut_evaluate_object(link->device->handle, "_DIS", 0, NULL);
}
mutex_unlock(&acpi_link_lock);
return (link->irq.active);
@@ -726,7 +724,6 @@ static int acpi_pci_link_add(struct acpi_device *device)
memset(link, 0, sizeof(struct acpi_pci_link));
link->device = device;
- link->handle = device->handle;
strcpy(acpi_device_name(device), ACPI_PCI_LINK_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_PCI_LINK_CLASS);
acpi_driver_data(device) = link;
@@ -765,7 +762,7 @@ static int acpi_pci_link_add(struct acpi_device *device)
end:
/* disable all links -- to be activated on use */
- acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
+ acpi_ut_evaluate_object(device->handle, "_DIS", 0, NULL);
mutex_unlock(&acpi_link_lock);
if (result)
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 8f10442119f..0984a1ee24e 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -58,7 +58,7 @@ static struct acpi_driver acpi_pci_root_driver = {
struct acpi_pci_root {
struct list_head node;
- acpi_handle handle;
+ struct acpi_device * device;
struct acpi_pci_id id;
struct pci_bus *bus;
};
@@ -83,7 +83,7 @@ int acpi_pci_register_driver(struct acpi_pci_driver *driver)
list_for_each(entry, &acpi_pci_roots) {
struct acpi_pci_root *root;
root = list_entry(entry, struct acpi_pci_root, node);
- driver->add(root->handle);
+ driver->add(root->device->handle);
n++;
}
@@ -110,7 +110,7 @@ void acpi_pci_unregister_driver(struct acpi_pci_driver *driver)
list_for_each(entry, &acpi_pci_roots) {
struct acpi_pci_root *root;
root = list_entry(entry, struct acpi_pci_root, node);
- driver->remove(root->handle);
+ driver->remove(root->device->handle);
}
}
@@ -170,7 +170,7 @@ static int acpi_pci_root_add(struct acpi_device *device)
memset(root, 0, sizeof(struct acpi_pci_root));
INIT_LIST_HEAD(&root->node);
- root->handle = device->handle;
+ root->device = device;
strcpy(acpi_device_name(device), ACPI_PCI_ROOT_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
acpi_driver_data(device) = root;
@@ -185,7 +185,7 @@ static int acpi_pci_root_add(struct acpi_device *device)
* -------
* Obtained via _SEG, if exists, otherwise assumed to be zero (0).
*/
- status = acpi_evaluate_integer(root->handle, METHOD_NAME__SEG, NULL,
+ status = acpi_evaluate_integer(device->handle, METHOD_NAME__SEG, NULL,
&value);
switch (status) {
case AE_OK:
@@ -207,7 +207,7 @@ static int acpi_pci_root_add(struct acpi_device *device)
* ---
* Obtained via _BBN, if exists, otherwise assumed to be zero (0).
*/
- status = acpi_evaluate_integer(root->handle, METHOD_NAME__BBN, NULL,
+ status = acpi_evaluate_integer(device->handle, METHOD_NAME__BBN, NULL,
&value);
switch (status) {
case AE_OK:
@@ -234,7 +234,7 @@ static int acpi_pci_root_add(struct acpi_device *device)
"Wrong _BBN value, reboot"
" and use option 'pci=noacpi'\n");
- status = try_get_root_bridge_busnr(root->handle, &bus);
+ status = try_get_root_bridge_busnr(device->handle, &bus);
if (ACPI_FAILURE(status))
break;
if (bus != root->id.bus) {
@@ -294,9 +294,9 @@ static int acpi_pci_root_add(struct acpi_device *device)
* -----------------
* Evaluate and parse _PRT, if exists.
*/
- status = acpi_get_handle(root->handle, METHOD_NAME__PRT, &handle);
+ status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle);
if (ACPI_SUCCESS(status))
- result = acpi_pci_irq_add_prt(root->handle, root->id.segment,
+ result = acpi_pci_irq_add_prt(device->handle, root->id.segment,
root->id.bus);
end:
@@ -315,7 +315,7 @@ static int acpi_pci_root_start(struct acpi_device *device)
list_for_each_entry(root, &acpi_pci_roots, node) {
- if (root->handle == device->handle) {
+ if (root->device == device) {
pci_bus_add_devices(root->bus);
return 0;
}
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 224f729f700..5d3447f4582 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -70,7 +70,7 @@ static struct acpi_driver acpi_power_driver = {
};
struct acpi_power_resource {
- acpi_handle handle;
+ struct acpi_device * device;
acpi_bus_id name;
u32 system_level;
u32 order;
@@ -124,7 +124,7 @@ static int acpi_power_get_state(struct acpi_power_resource *resource)
if (!resource)
return -EINVAL;
- status = acpi_evaluate_integer(resource->handle, "_STA", NULL, &sta);
+ status = acpi_evaluate_integer(resource->device->handle, "_STA", NULL, &sta);
if (ACPI_FAILURE(status))
return -ENODEV;
@@ -192,7 +192,7 @@ static int acpi_power_on(acpi_handle handle)
return 0;
}
- status = acpi_evaluate_object(resource->handle, "_ON", NULL, NULL);
+ status = acpi_evaluate_object(resource->device->handle, "_ON", NULL, NULL);
if (ACPI_FAILURE(status))
return -ENODEV;
@@ -203,10 +203,8 @@ static int acpi_power_on(acpi_handle handle)
return -ENOEXEC;
/* Update the power resource's _device_ power state */
- result = acpi_bus_get_device(resource->handle, &device);
- if (result)
- return result;
- device->power.state = ACPI_STATE_D0;
+ device = resource->device;
+ resource->device->power.state = ACPI_STATE_D0;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned on\n",
resource->name));
@@ -242,7 +240,7 @@ static int acpi_power_off_device(acpi_handle handle)
return 0;
}
- status = acpi_evaluate_object(resource->handle, "_OFF", NULL, NULL);
+ status = acpi_evaluate_object(resource->device->handle, "_OFF", NULL, NULL);
if (ACPI_FAILURE(status))
return -ENODEV;
@@ -253,9 +251,7 @@ static int acpi_power_off_device(acpi_handle handle)
return -ENOEXEC;
/* Update the power resource's _device_ power state */
- result = acpi_bus_get_device(resource->handle, &device);
- if (result)
- return result;
+ device = resource->device;
device->power.state = ACPI_STATE_D3;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned off\n",
@@ -544,14 +540,14 @@ static int acpi_power_add(struct acpi_device *device)
return -ENOMEM;
memset(resource, 0, sizeof(struct acpi_power_resource));
- resource->handle = device->handle;
+ resource->device = device;
strcpy(resource->name, device->pnp.bus_id);
strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
acpi_driver_data(device) = resource;
/* Evalute the object to get the system level and resource order. */
- status = acpi_evaluate_object(resource->handle, NULL, NULL, &buffer);
+ status = acpi_evaluate_object(device->handle, NULL, NULL, &buffer);
if (ACPI_FAILURE(status)) {
result = -ENODEV;
goto end;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index e439eb77d28..8e9c26aae8f 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -768,7 +768,7 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
status = -EFAULT;
end:
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return status;
}
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 14a00e5a8f6..7ba5e49ab30 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -216,7 +216,7 @@ static int acpi_processor_get_performance_control(struct acpi_processor *pr)
sizeof(struct acpi_pct_register));
end:
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return result;
}
@@ -294,7 +294,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
}
end:
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return result;
}
@@ -592,7 +592,7 @@ static int acpi_processor_get_psd(struct acpi_processor *pr)
}
end:
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return result;
}
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
new file mode 100644
index 00000000000..db7b350a503
--- /dev/null
+++ b/drivers/acpi/sbs.c
@@ -0,0 +1,1766 @@
+/*
+ * acpi_sbs.c - ACPI Smart Battery System Driver ($Revision: 1.16 $)
+ *
+ * Copyright (c) 2005 Rich Townsend <rhdt@bartol.udel.edu>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <asm/uaccess.h>
+#include <linux/acpi.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+
+#include "i2c_ec.h"
+
+#define DEF_CAPACITY_UNIT 3
+#define MAH_CAPACITY_UNIT 1
+#define MWH_CAPACITY_UNIT 2
+#define CAPACITY_UNIT DEF_CAPACITY_UNIT
+
+#define REQUEST_UPDATE_MODE 1
+#define QUEUE_UPDATE_MODE 2
+
+#define DATA_TYPE_COMMON 0
+#define DATA_TYPE_INFO 1
+#define DATA_TYPE_STATE 2
+#define DATA_TYPE_ALARM 3
+#define DATA_TYPE_AC_STATE 4
+
+extern struct proc_dir_entry *acpi_lock_ac_dir(void);
+extern struct proc_dir_entry *acpi_lock_battery_dir(void);
+extern void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
+extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
+
+#define ACPI_SBS_COMPONENT 0x00080000
+#define ACPI_SBS_CLASS "sbs"
+#define ACPI_AC_CLASS "ac_adapter"
+#define ACPI_BATTERY_CLASS "battery"
+#define ACPI_SBS_HID "ACPI0002"
+#define ACPI_SBS_DRIVER_NAME "ACPI Smart Battery System Driver"
+#define ACPI_SBS_DEVICE_NAME "Smart Battery System"
+#define ACPI_SBS_FILE_INFO "info"
+#define ACPI_SBS_FILE_STATE "state"
+#define ACPI_SBS_FILE_ALARM "alarm"
+#define ACPI_BATTERY_DIR_NAME "BAT%i"
+#define ACPI_AC_DIR_NAME "AC0"
+#define ACPI_SBC_SMBUS_ADDR 0x9
+#define ACPI_SBSM_SMBUS_ADDR 0xa
+#define ACPI_SB_SMBUS_ADDR 0xb
+#define ACPI_SBS_AC_NOTIFY_STATUS 0x80
+#define ACPI_SBS_BATTERY_NOTIFY_STATUS 0x80
+#define ACPI_SBS_BATTERY_NOTIFY_INFO 0x81
+
+#define _COMPONENT ACPI_SBS_COMPONENT
+
+#define MAX_SBS_BAT 4
+#define MAX_SMBUS_ERR 1
+
+ACPI_MODULE_NAME("acpi_sbs");
+
+MODULE_AUTHOR("Rich Townsend");
+MODULE_DESCRIPTION("Smart Battery System ACPI interface driver");
+MODULE_LICENSE("GPL");
+
+static struct semaphore sbs_sem;
+
+#define UPDATE_MODE QUEUE_UPDATE_MODE
+/* REQUEST_UPDATE_MODE QUEUE_UPDATE_MODE */
+#define UPDATE_INFO_MODE 0
+#define UPDATE_TIME 60
+#define UPDATE_TIME2 0
+
+static int capacity_mode = CAPACITY_UNIT;
+static int update_mode = UPDATE_MODE;
+static int update_info_mode = UPDATE_INFO_MODE;
+static int update_time = UPDATE_TIME;
+static int update_time2 = UPDATE_TIME2;
+
+module_param(capacity_mode, int, CAPACITY_UNIT);
+module_param(update_mode, int, UPDATE_MODE);
+module_param(update_info_mode, int, UPDATE_INFO_MODE);
+module_param(update_time, int, UPDATE_TIME);
+module_param(update_time2, int, UPDATE_TIME2);
+
+static int acpi_sbs_add(struct acpi_device *device);
+static int acpi_sbs_remove(struct acpi_device *device, int type);
+static void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus);
+static void acpi_sbs_update_queue(void *data);
+
+static struct acpi_driver acpi_sbs_driver = {
+ .name = ACPI_SBS_DRIVER_NAME,
+ .class = ACPI_SBS_CLASS,
+ .ids = ACPI_SBS_HID,
+ .ops = {
+ .add = acpi_sbs_add,
+ .remove = acpi_sbs_remove,
+ },
+};
+
+struct acpi_battery_info {
+ int capacity_mode;
+ s16 full_charge_capacity;
+ s16 design_capacity;
+ s16 design_voltage;
+ int vscale;
+ int ipscale;
+ s16 serial_number;
+ char manufacturer_name[I2C_SMBUS_BLOCK_MAX + 3];
+ char device_name[I2C_SMBUS_BLOCK_MAX + 3];
+ char device_chemistry[I2C_SMBUS_BLOCK_MAX + 3];
+};
+
+struct acpi_battery_state {
+ s16 voltage;
+ s16 amperage;
+ s16 remaining_capacity;
+ s16 average_time_to_empty;
+ s16 average_time_to_full;
+ s16 battery_status;
+};
+
+struct acpi_battery_alarm {
+ s16 remaining_capacity;
+};
+
+struct acpi_battery {
+ int alive;
+ int battery_present;
+ int id;
+ int init_state;
+ struct acpi_sbs *sbs;
+ struct acpi_battery_info info;
+ struct acpi_battery_state state;
+ struct acpi_battery_alarm alarm;
+ struct proc_dir_entry *battery_entry;
+};
+
+struct acpi_sbs {
+ acpi_handle handle;
+ struct acpi_device *device;
+ struct acpi_ec_smbus *smbus;
+ int sbsm_present;
+ int sbsm_batteries_supported;
+ int ac_present;
+ struct proc_dir_entry *ac_entry;
+ struct acpi_battery battery[MAX_SBS_BAT];
+ int update_info_mode;
+ int zombie;
+ int update_time;
+ int update_time2;
+ struct timer_list update_timer;
+};
+
+static void acpi_update_delay(struct acpi_sbs *sbs);
+static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type);
+
+/* --------------------------------------------------------------------------
+ SMBus Communication
+ -------------------------------------------------------------------------- */
+
+static void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus)
+{
+ union i2c_smbus_data data;
+ int result = 0;
+ char *err_str;
+ int err_number;
+
+ data.word = 0;
+
+ result = smbus->adapter.algo->
+ smbus_xfer(&smbus->adapter,
+ ACPI_SB_SMBUS_ADDR,
+ 0, I2C_SMBUS_READ, 0x16, I2C_SMBUS_BLOCK_DATA, &data);
+
+ err_number = (data.word & 0x000f);
+
+ switch (data.word & 0x000f) {
+ case 0x0000:
+ err_str = "unexpected bus error";
+ break;
+ case 0x0001:
+ err_str = "busy";
+ break;
+ case 0x0002:
+ err_str = "reserved command";
+ break;
+ case 0x0003:
+ err_str = "unsupported command";
+ break;
+ case 0x0004:
+ err_str = "access denied";
+ break;
+ case 0x0005:
+ err_str = "overflow/underflow";
+ break;
+ case 0x0006:
+ err_str = "bad size";
+ break;
+ case 0x0007:
+ err_str = "unknown error";
+ break;
+ default:
+ err_str = "unrecognized error";
+ }
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "%s: ret %i, err %i\n", err_str, result, err_number));
+}
+
+static int
+acpi_sbs_smbus_read_word(struct acpi_ec_smbus *smbus, int addr, int func,
+ u16 * word,
+ void (*err_handler) (struct acpi_ec_smbus * smbus))
+{
+ union i2c_smbus_data data;
+ int result = 0;
+ int i;
+
+ if (err_handler == NULL) {
+ err_handler = acpi_battery_smbus_err_handler;
+ }
+
+ for (i = 0; i < MAX_SMBUS_ERR; i++) {
+ result =
+ smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0,
+ I2C_SMBUS_READ, func,
+ I2C_SMBUS_WORD_DATA, &data);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "try %i: smbus->adapter.algo->smbus_xfer() failed\n",
+ i));
+ if (err_handler) {
+ err_handler(smbus);
+ }
+ } else {
+ *word = data.word;
+ break;
+ }
+ }
+
+ return result;
+}
+
+static int
+acpi_sbs_smbus_read_str(struct acpi_ec_smbus *smbus, int addr, int func,
+ char *str,
+ void (*err_handler) (struct acpi_ec_smbus * smbus))
+{
+ union i2c_smbus_data data;
+ int result = 0;
+ int i;
+
+ if (err_handler == NULL) {
+ err_handler = acpi_battery_smbus_err_handler;
+ }
+
+ for (i = 0; i < MAX_SMBUS_ERR; i++) {
+ result =
+ smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0,
+ I2C_SMBUS_READ, func,
+ I2C_SMBUS_BLOCK_DATA,
+ &data);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "try %i: smbus->adapter.algo->smbus_xfer() failed\n",
+ i));
+ if (err_handler) {
+ err_handler(smbus);
+ }
+ } else {
+ strncpy(str, (const char *)data.block + 1,
+ data.block[0]);
+ str[data.block[0]] = 0;
+ break;
+ }
+ }
+
+ return result;
+}
+
+static int
+acpi_sbs_smbus_write_word(struct acpi_ec_smbus *smbus, int addr, int func,
+ int word,
+ void (*err_handler) (struct acpi_ec_smbus * smbus))
+{
+ union i2c_smbus_data data;
+ int result = 0;
+ int i;
+
+ if (err_handler == NULL) {
+ err_handler = acpi_battery_smbus_err_handler;
+ }
+
+ data.word = word;
+
+ for (i = 0; i < MAX_SMBUS_ERR; i++) {
+ result =
+ smbus->adapter.algo->smbus_xfer(&smbus->adapter, addr, 0,
+ I2C_SMBUS_WRITE, func,
+ I2C_SMBUS_WORD_DATA, &data);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "try %i: smbus->adapter.algo"
+ "->smbus_xfer() failed\n", i));
+ if (err_handler) {
+ err_handler(smbus);
+ }
+ } else {
+ break;
+ }
+ }
+
+ return result;
+}
+
+/* --------------------------------------------------------------------------
+ Smart Battery System Management
+ -------------------------------------------------------------------------- */
+
+/* Smart Battery */
+
+static int acpi_sbs_generate_event(struct acpi_device *device,
+ int event, int state, char *bid, char *class)
+{
+ char bid_saved[5];
+ char class_saved[20];
+ int result = 0;
+
+ strcpy(bid_saved, acpi_device_bid(device));
+ strcpy(class_saved, acpi_device_class(device));
+
+ strcpy(acpi_device_bid(device), bid);
+ strcpy(acpi_device_class(device), class);
+
+ result = acpi_bus_generate_event(device, event, state);
+
+ strcpy(acpi_device_bid(device), bid_saved);
+ strcpy(acpi_device_class(device), class_saved);
+
+ return result;
+}
+
+static int acpi_battery_get_present(struct acpi_battery *battery)
+{
+ s16 state;
+ int result = 0;
+ int is_present = 0;
+
+ result = acpi_sbs_smbus_read_word(battery->sbs->smbus,
+ ACPI_SBSM_SMBUS_ADDR, 0x01,
+ &state, NULL);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed"));
+ }
+ if (!result) {
+ is_present = (state & 0x000f) & (1 << battery->id);
+ }
+ battery->battery_present = is_present;
+
+ return result;
+}
+
+static int acpi_battery_is_present(struct acpi_battery *battery)
+{
+ return (battery->battery_present);
+}
+
+static int acpi_ac_is_present(struct acpi_sbs *sbs)
+{
+ return (sbs->ac_present);
+}
+
+static int acpi_battery_select(struct acpi_battery *battery)
+{
+ struct acpi_ec_smbus *smbus = battery->sbs->smbus;
+ int result = 0;
+ s16 state;
+ int foo;
+
+ if (battery->sbs->sbsm_present) {
+
+ /* Take special care not to knobble other nibbles of
+ * state (aka selector_state), since
+ * it causes charging to halt on SBSELs */
+
+ result =
+ acpi_sbs_smbus_read_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x01,
+ &state, NULL);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ foo = (state & 0x0fff) | (1 << (battery->id + 12));
+ result =
+ acpi_sbs_smbus_write_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x01,
+ foo, NULL);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_write_word() failed\n"));
+ goto end;
+ }
+ }
+
+ end:
+ return result;
+}
+
+static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
+{
+ struct acpi_ec_smbus *smbus = sbs->smbus;
+ int result = 0;
+ s16 battery_system_info;
+
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x04,
+ &battery_system_info, NULL);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ sbs->sbsm_batteries_supported = battery_system_info & 0x000f;
+
+ end:
+
+ return result;
+}
+
+static int acpi_battery_get_info(struct acpi_battery *battery)
+{
+ struct acpi_ec_smbus *smbus = battery->sbs->smbus;
+ int result = 0;
+ s16 battery_mode;
+ s16 specification_info;
+
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x03,
+ &battery_mode,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+ battery->info.capacity_mode = (battery_mode & 0x8000) >> 15;
+
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x10,
+ &battery->info.full_charge_capacity,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x18,
+ &battery->info.design_capacity,
+ &acpi_battery_smbus_err_handler);
+
+ if (result) {
+ goto end;
+ }
+
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x19,
+ &battery->info.design_voltage,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x1a,
+ &specification_info,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ switch ((specification_info & 0x0f00) >> 8) {
+ case 1:
+ battery->info.vscale = 10;
+ break;
+ case 2:
+ battery->info.vscale = 100;
+ break;
+ case 3:
+ battery->info.vscale = 1000;
+ break;
+ default:
+ battery->info.vscale = 1;
+ }
+
+ switch ((specification_info & 0xf000) >> 12) {
+ case 1:
+ battery->info.ipscale = 10;
+ break;
+ case 2:
+ battery->info.ipscale = 100;
+ break;
+ case 3:
+ battery->info.ipscale = 1000;
+ break;
+ default:
+ battery->info.ipscale = 1;
+ }
+
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x1c,
+ &battery->info.serial_number,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ goto end;
+ }
+
+ result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x20,
+ battery->info.manufacturer_name,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_str() failed\n"));
+ goto end;
+ }
+
+ result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x21,
+ battery->info.device_name,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_str() failed\n"));
+ goto end;
+ }
+
+ result = acpi_sbs_smbus_read_str(smbus, ACPI_SB_SMBUS_ADDR, 0x22,
+ battery->info.device_chemistry,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_str() failed\n"));
+ goto end;
+ }
+
+ end:
+ return result;
+}
+
+static void acpi_update_delay(struct acpi_sbs *sbs)
+{
+ if (sbs->zombie) {
+ return;
+ }
+ if (sbs->update_time2 > 0) {
+ msleep(sbs->update_time2 * 1000);
+ }
+}
+
+static int acpi_battery_get_state(struct acpi_battery *battery)
+{
+ struct acpi_ec_smbus *smbus = battery->sbs->smbus;
+ int result = 0;
+
+ acpi_update_delay(battery->sbs);
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x09,
+ &battery->state.voltage,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ acpi_update_delay(battery->sbs);
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x0a,
+ &battery->state.amperage,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ acpi_update_delay(battery->sbs);
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x0f,
+ &battery->state.remaining_capacity,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ acpi_update_delay(battery->sbs);
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x12,
+ &battery->state.average_time_to_empty,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ acpi_update_delay(battery->sbs);
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x13,
+ &battery->state.average_time_to_full,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ acpi_update_delay(battery->sbs);
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x16,
+ &battery->state.battery_status,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ acpi_update_delay(battery->sbs);
+
+ end:
+ return result;
+}
+
+static int acpi_battery_get_alarm(struct acpi_battery *battery)
+{
+ struct acpi_ec_smbus *smbus = battery->sbs->smbus;
+ int result = 0;
+
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01,
+ &battery->alarm.remaining_capacity,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ acpi_update_delay(battery->sbs);
+
+ end:
+
+ return result;
+}
+
+static int acpi_battery_set_alarm(struct acpi_battery *battery,
+ unsigned long alarm)
+{
+ struct acpi_ec_smbus *smbus = battery->sbs->smbus;
+ int result = 0;
+ s16 battery_mode;
+ int foo;
+
+ result = acpi_battery_select(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_select() failed\n"));
+ goto end;
+ }
+
+ /* If necessary, enable the alarm */
+
+ if (alarm > 0) {
+ result =
+ acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x03,
+ &battery_mode,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ result =
+ acpi_sbs_smbus_write_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01,
+ battery_mode & 0xbfff,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_write_word() failed\n"));
+ goto end;
+ }
+ }
+
+ foo = alarm / (battery->info.capacity_mode ? 10 : 1);
+ result = acpi_sbs_smbus_write_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01,
+ foo,
+ &acpi_battery_smbus_err_handler);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_write_word() failed\n"));
+ goto end;
+ }
+
+ end:
+
+ return result;
+}
+
+static int acpi_battery_set_mode(struct acpi_battery *battery)
+{
+ int result = 0;
+ s16 battery_mode;
+
+ if (capacity_mode == DEF_CAPACITY_UNIT) {
+ goto end;
+ }
+
+ result = acpi_sbs_smbus_read_word(battery->sbs->smbus,
+ ACPI_SB_SMBUS_ADDR, 0x03,
+ &battery_mode, NULL);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ if (capacity_mode == MAH_CAPACITY_UNIT) {
+ battery_mode &= 0x7fff;
+ } else {
+ battery_mode |= 0x8000;
+ }
+ result = acpi_sbs_smbus_write_word(battery->sbs->smbus,
+ ACPI_SB_SMBUS_ADDR, 0x03,
+ battery_mode, NULL);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_write_word() failed\n"));
+ goto end;
+ }
+
+ result = acpi_sbs_smbus_read_word(battery->sbs->smbus,
+ ACPI_SB_SMBUS_ADDR, 0x03,
+ &battery_mode, NULL);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ end:
+ return result;
+}
+
+static int acpi_battery_init(struct acpi_battery *battery)
+{
+ int result = 0;
+
+ result = acpi_battery_select(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_init() failed\n"));
+ goto end;
+ }
+
+ result = acpi_battery_set_mode(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_set_mode() failed\n"));
+ goto end;
+ }
+
+ result = acpi_battery_get_info(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_get_info() failed\n"));
+ goto end;
+ }
+
+ result = acpi_battery_get_state(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_get_state() failed\n"));
+ goto end;
+ }
+
+ result = acpi_battery_get_alarm(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_get_alarm() failed\n"));
+ goto end;
+ }
+
+ end:
+ return result;
+}
+
+static int acpi_ac_get_present(struct acpi_sbs *sbs)
+{
+ struct acpi_ec_smbus *smbus = sbs->smbus;
+ int result = 0;
+ s16 charger_status;
+
+ result = acpi_sbs_smbus_read_word(smbus, ACPI_SBC_SMBUS_ADDR, 0x13,
+ &charger_status, NULL);
+
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_smbus_read_word() failed\n"));
+ goto end;
+ }
+
+ sbs->ac_present = (charger_status & 0x8000) >> 15;
+
+ end:
+
+ return result;
+}
+
+/* --------------------------------------------------------------------------
+ FS Interface (/proc/acpi)
+ -------------------------------------------------------------------------- */
+
+/* Generic Routines */
+
+static int
+acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
+ struct proc_dir_entry *parent_dir,
+ char *dir_name,
+ struct file_operations *info_fops,
+ struct file_operations *state_fops,
+ struct file_operations *alarm_fops, void *data)
+{
+ struct proc_dir_entry *entry = NULL;
+
+ if (!*dir) {
+ *dir = proc_mkdir(dir_name, parent_dir);
+ if (!*dir) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "proc_mkdir() failed\n"));
+ return -ENODEV;
+ }
+ (*dir)->owner = THIS_MODULE;
+ }
+
+ /* 'info' [R] */
+ if (info_fops) {
+ entry = create_proc_entry(ACPI_SBS_FILE_INFO, S_IRUGO, *dir);
+ if (!entry) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "create_proc_entry() failed\n"));
+ } else {
+ entry->proc_fops = info_fops;
+ entry->data = data;
+ entry->owner = THIS_MODULE;
+ }
+ }
+
+ /* 'state' [R] */
+ if (state_fops) {
+ entry = create_proc_entry(ACPI_SBS_FILE_STATE, S_IRUGO, *dir);
+ if (!entry) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "create_proc_entry() failed\n"));
+ } else {
+ entry->proc_fops = state_fops;
+ entry->data = data;
+ entry->owner = THIS_MODULE;
+ }
+ }
+
+ /* 'alarm' [R/W] */
+ if (alarm_fops) {
+ entry = create_proc_entry(ACPI_SBS_FILE_ALARM, S_IRUGO, *dir);
+ if (!entry) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "create_proc_entry() failed\n"));
+ } else {
+ entry->proc_fops = alarm_fops;
+ entry->data = data;
+ entry->owner = THIS_MODULE;
+ }
+ }
+
+ return 0;
+}
+
+static void
+acpi_sbs_generic_remove_fs(struct proc_dir_entry **dir,
+ struct proc_dir_entry *parent_dir)
+{
+
+ if (*dir) {
+ remove_proc_entry(ACPI_SBS_FILE_INFO, *dir);
+ remove_proc_entry(ACPI_SBS_FILE_STATE, *dir);
+ remove_proc_entry(ACPI_SBS_FILE_ALARM, *dir);
+ remove_proc_entry((*dir)->name, parent_dir);
+ *dir = NULL;
+ }
+
+}
+
+/* Smart Battery Interface */
+
+static struct proc_dir_entry *acpi_battery_dir = NULL;
+
+static int acpi_battery_read_info(struct seq_file *seq, void *offset)
+{
+ struct acpi_battery *battery = (struct acpi_battery *)seq->private;
+ int cscale;
+ int result = 0;
+
+ if (battery->sbs->zombie) {
+ return -ENODEV;
+ }
+
+ down(&sbs_sem);
+
+ if (update_mode == REQUEST_UPDATE_MODE) {
+ result = acpi_sbs_update_run(battery->sbs, DATA_TYPE_INFO);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_update_run() failed\n"));
+ }
+ }
+
+ if (acpi_battery_is_present(battery)) {
+ seq_printf(seq, "present: yes\n");
+ } else {
+ seq_printf(seq, "present: no\n");
+ goto end;
+ }
+
+ if (battery->info.capacity_mode) {
+ cscale = battery->info.vscale * battery->info.ipscale;
+ } else {
+ cscale = battery->info.ipscale;
+ }
+ seq_printf(seq, "design capacity: %i%s",
+ battery->info.design_capacity * cscale,
+ battery->info.capacity_mode ? "0 mWh\n" : " mAh\n");
+
+ seq_printf(seq, "last full capacity: %i%s",
+ battery->info.full_charge_capacity * cscale,
+ battery->info.capacity_mode ? "0 mWh\n" : " mAh\n");
+
+ seq_printf(seq, "battery technology: rechargeable\n");
+
+ seq_printf(seq, "design voltage: %i mV\n",
+ battery->info.design_voltage * battery->info.vscale);
+
+ seq_printf(seq, "design capacity warning: unknown\n");
+ seq_printf(seq, "design capacity low: unknown\n");
+ seq_printf(seq, "capacity granularity 1: unknown\n");
+ seq_printf(seq, "capacity granularity 2: unknown\n");
+
+ seq_printf(seq, "model number: %s\n",
+ battery->info.device_name);
+
+ seq_printf(seq, "serial number: %i\n",
+ battery->info.serial_number);
+
+ seq_printf(seq, "battery type: %s\n",
+ battery->info.device_chemistry);
+
+ seq_printf(seq, "OEM info: %s\n",
+ battery->info.manufacturer_name);
+
+ end:
+
+ up(&sbs_sem);
+
+ return result;
+}
+
+static int acpi_battery_info_open_fs(struct inode *inode, struct file *file)
+{
+ return single_open(file, acpi_battery_read_info, PDE(inode)->data);
+}
+
+static int acpi_battery_read_state(struct seq_file *seq, void *offset)
+{
+ struct acpi_battery *battery = (struct acpi_battery *)seq->private;
+ int result = 0;
+ int cscale;
+ int foo;
+
+ if (battery->sbs->zombie) {
+ return -ENODEV;
+ }
+
+ down(&sbs_sem);
+
+ if (update_mode == REQUEST_UPDATE_MODE) {
+ result = acpi_sbs_update_run(battery->sbs, DATA_TYPE_STATE);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_update_run() failed\n"));
+ }
+ }
+
+ if (acpi_battery_is_present(battery)) {
+ seq_printf(seq, "present: yes\n");
+ } else {
+ seq_printf(seq, "present: no\n");
+ goto end;
+ }
+
+ if (battery->info.capacity_mode) {
+ cscale = battery->info.vscale * battery->info.ipscale;
+ } else {
+ cscale = battery->info.ipscale;
+ }
+
+ if (battery->state.battery_status & 0x0010) {
+ seq_printf(seq, "capacity state: critical\n");
+ } else {
+ seq_printf(seq, "capacity state: ok\n");
+ }
+ if (battery->state.amperage < 0) {
+ seq_printf(seq, "charging state: discharging\n");
+ foo = battery->state.remaining_capacity * cscale * 60 /
+ (battery->state.average_time_to_empty == 0 ? 1 :
+ battery->state.average_time_to_empty);
+ seq_printf(seq, "present rate: %i%s\n",
+ foo, battery->info.capacity_mode ? "0 mW" : " mA");
+ } else if (battery->state.amperage > 0) {
+ seq_printf(seq, "charging state: charging\n");
+ foo = (battery->info.full_charge_capacity -
+ battery->state.remaining_capacity) * cscale * 60 /
+ (battery->state.average_time_to_full == 0 ? 1 :
+ battery->state.average_time_to_full);
+ seq_printf(seq, "present rate: %i%s\n",
+ foo, battery->info.capacity_mode ? "0 mW" : " mA");
+ } else {
+ seq_printf(seq, "charging state: charged\n");
+ seq_printf(seq, "present rate: 0 %s\n",
+ battery->info.capacity_mode ? "mW" : "mA");
+ }
+
+ seq_printf(seq, "remaining capacity: %i%s",
+ battery->state.remaining_capacity * cscale,
+ battery->info.capacity_mode ? "0 mWh\n" : " mAh\n");
+
+ seq_printf(seq, "present voltage: %i mV\n",
+ battery->state.voltage * battery->info.vscale);
+
+ end:
+
+ up(&sbs_sem);
+
+ return result;
+}
+
+static int acpi_battery_state_open_fs(struct inode *inode, struct file *file)
+{
+ return single_open(file, acpi_battery_read_state, PDE(inode)->data);
+}
+
+static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
+{
+ struct acpi_battery *battery = (struct acpi_battery *)seq->private;
+ int result = 0;
+ int cscale;
+
+ if (battery->sbs->zombie) {
+ return -ENODEV;
+ }
+
+ down(&sbs_sem);
+
+ if (update_mode == REQUEST_UPDATE_MODE) {
+ result = acpi_sbs_update_run(battery->sbs, DATA_TYPE_ALARM);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_update_run() failed\n"));
+ }
+ }
+
+ if (!acpi_battery_is_present(battery)) {
+ seq_printf(seq, "present: no\n");
+ goto end;
+ }
+
+ if (battery->info.capacity_mode) {
+ cscale = battery->info.vscale * battery->info.ipscale;
+ } else {
+ cscale = battery->info.ipscale;
+ }
+
+ seq_printf(seq, "alarm: ");
+ if (battery->alarm.remaining_capacity) {
+ seq_printf(seq, "%i%s",
+ battery->alarm.remaining_capacity * cscale,
+ battery->info.capacity_mode ? "0 mWh\n" : " mAh\n");
+ } else {
+ seq_printf(seq, "disabled\n");
+ }
+
+ end:
+
+ up(&sbs_sem);
+
+ return result;
+}
+
+static ssize_t
+acpi_battery_write_alarm(struct file *file, const char __user * buffer,
+ size_t count, loff_t * ppos)
+{
+ struct seq_file *seq = (struct seq_file *)file->private_data;
+ struct acpi_battery *battery = (struct acpi_battery *)seq->private;
+ char alarm_string[12] = { '\0' };
+ int result, old_alarm, new_alarm;
+
+ if (battery->sbs->zombie) {
+ return -ENODEV;
+ }
+
+ down(&sbs_sem);
+
+ if (!acpi_battery_is_present(battery)) {
+ result = -ENODEV;
+ goto end;
+ }
+
+ if (count > sizeof(alarm_string) - 1) {
+ result = -EINVAL;
+ goto end;
+ }
+
+ if (copy_from_user(alarm_string, buffer, count)) {
+ result = -EFAULT;
+ goto end;
+ }
+
+ alarm_string[count] = 0;
+
+ old_alarm = battery->alarm.remaining_capacity;
+ new_alarm = simple_strtoul(alarm_string, NULL, 0);
+
+ result = acpi_battery_set_alarm(battery, new_alarm);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_set_alarm() failed\n"));
+ (void)acpi_battery_set_alarm(battery, old_alarm);
+ goto end;
+ }
+ result = acpi_battery_get_alarm(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_get_alarm() failed\n"));
+ (void)acpi_battery_set_alarm(battery, old_alarm);
+ goto end;
+ }
+
+ end:
+ up(&sbs_sem);
+
+ if (result) {
+ return result;
+ } else {
+ return count;
+ }
+}
+
+static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file)
+{
+ return single_open(file, acpi_battery_read_alarm, PDE(inode)->data);
+}
+
+static struct file_operations acpi_battery_info_fops = {
+ .open = acpi_battery_info_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static struct file_operations acpi_battery_state_fops = {
+ .open = acpi_battery_state_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static struct file_operations acpi_battery_alarm_fops = {
+ .open = acpi_battery_alarm_open_fs,
+ .read = seq_read,
+ .write = acpi_battery_write_alarm,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+/* Legacy AC Adapter Interface */
+
+static struct proc_dir_entry *acpi_ac_dir = NULL;
+
+static int acpi_ac_read_state(struct seq_file *seq, void *offset)
+{
+ struct acpi_sbs *sbs = (struct acpi_sbs *)seq->private;
+ int result;
+
+ if (sbs->zombie) {
+ return -ENODEV;
+ }
+
+ down(&sbs_sem);
+
+ if (update_mode == REQUEST_UPDATE_MODE) {
+ result = acpi_sbs_update_run(sbs, DATA_TYPE_AC_STATE);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_update_run() failed\n"));
+ }
+ }
+
+ seq_printf(seq, "state: %s\n",
+ sbs->ac_present ? "on-line" : "off-line");
+
+ up(&sbs_sem);
+
+ return 0;
+}
+
+static int acpi_ac_state_open_fs(struct inode *inode, struct file *file)
+{
+ return single_open(file, acpi_ac_read_state, PDE(inode)->data);
+}
+
+static struct file_operations acpi_ac_state_fops = {
+ .open = acpi_ac_state_open_fs,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+/* --------------------------------------------------------------------------
+ Driver Interface
+ -------------------------------------------------------------------------- */
+
+/* Smart Battery */
+
+static int acpi_battery_add(struct acpi_sbs *sbs, int id)
+{
+ int is_present;
+ int result;
+ char dir_name[32];
+ struct acpi_battery *battery;
+
+ battery = &sbs->battery[id];
+
+ battery->alive = 0;
+
+ battery->init_state = 0;
+ battery->id = id;
+ battery->sbs = sbs;
+
+ result = acpi_battery_select(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_select() failed\n"));
+ goto end;
+ }
+
+ result = acpi_battery_get_present(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_get_present() failed\n"));
+ goto end;
+ }
+
+ is_present = acpi_battery_is_present(battery);
+
+ if (is_present) {
+ result = acpi_battery_init(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_init() failed\n"));
+ goto end;
+ }
+ battery->init_state = 1;
+ }
+
+ (void)sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
+
+ result = acpi_sbs_generic_add_fs(&battery->battery_entry,
+ acpi_battery_dir,
+ dir_name,
+ &acpi_battery_info_fops,
+ &acpi_battery_state_fops,
+ &acpi_battery_alarm_fops, battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_generic_add_fs() failed\n"));
+ goto end;
+ }
+ battery->alive = 1;
+
+ end:
+ return result;
+}
+
+static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
+{
+
+ if (sbs->battery[id].battery_entry) {
+ acpi_sbs_generic_remove_fs(&(sbs->battery[id].battery_entry),
+ acpi_battery_dir);
+ }
+}
+
+static int acpi_ac_add(struct acpi_sbs *sbs)
+{
+ int result;
+
+ result = acpi_ac_get_present(sbs);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_ac_get_present() failed\n"));
+ goto end;
+ }
+
+ result = acpi_sbs_generic_add_fs(&sbs->ac_entry,
+ acpi_ac_dir,
+ ACPI_AC_DIR_NAME,
+ NULL, &acpi_ac_state_fops, NULL, sbs);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_generic_add_fs() failed\n"));
+ goto end;
+ }
+
+ end:
+
+ return result;
+}
+
+static void acpi_ac_remove(struct acpi_sbs *sbs)
+{
+
+ if (sbs->ac_entry) {
+ acpi_sbs_generic_remove_fs(&sbs->ac_entry, acpi_ac_dir);
+ }
+}
+
+static void acpi_sbs_update_queue_run(unsigned long data)
+{
+ acpi_os_execute(OSL_GPE_HANDLER, acpi_sbs_update_queue, (void *)data);
+}
+
+static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type)
+{
+ struct acpi_battery *battery;
+ int result = 0;
+ int old_ac_present;
+ int old_battery_present;
+ int new_ac_present;
+ int new_battery_present;
+ int id;
+ char dir_name[32];
+ int do_battery_init, do_ac_init;
+ s16 old_remaining_capacity;
+
+ if (sbs->zombie) {
+ goto end;
+ }
+
+ old_ac_present = acpi_ac_is_present(sbs);
+
+ result = acpi_ac_get_present(sbs);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_ac_get_present() failed\n"));
+ }
+
+ new_ac_present = acpi_ac_is_present(sbs);
+
+ do_ac_init = (old_ac_present != new_ac_present);
+
+ if (data_type == DATA_TYPE_AC_STATE) {
+ goto end;
+ }
+
+ for (id = 0; id < MAX_SBS_BAT; id++) {
+ battery = &sbs->battery[id];
+ if (battery->alive == 0) {
+ continue;
+ }
+
+ old_remaining_capacity = battery->state.remaining_capacity;
+
+ old_battery_present = acpi_battery_is_present(battery);
+
+ result = acpi_battery_select(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_select() failed\n"));
+ }
+ if (sbs->zombie) {
+ goto end;
+ }
+
+ result = acpi_battery_get_present(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_get_present() failed\n"));
+ }
+ if (sbs->zombie) {
+ goto end;
+ }
+
+ new_battery_present = acpi_battery_is_present(battery);
+
+ do_battery_init = ((old_battery_present != new_battery_present)
+ && new_battery_present);
+
+ if (sbs->zombie) {
+ goto end;
+ }
+ if (do_ac_init || do_battery_init ||
+ update_info_mode || sbs->update_info_mode) {
+ if (sbs->update_info_mode) {
+ sbs->update_info_mode = 0;
+ } else {
+ sbs->update_info_mode = 1;
+ }
+ result = acpi_battery_init(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_init() "
+ "failed\n"));
+ }
+ }
+ if (data_type == DATA_TYPE_INFO) {
+ continue;
+ }
+
+ if (sbs->zombie) {
+ goto end;
+ }
+ if (new_battery_present) {
+ result = acpi_battery_get_alarm(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_get_alarm() "
+ "failed\n"));
+ }
+ if (data_type == DATA_TYPE_ALARM) {
+ continue;
+ }
+
+ result = acpi_battery_get_state(battery);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_get_state() "
+ "failed\n"));
+ }
+ }
+ if (sbs->zombie) {
+ goto end;
+ }
+ if (data_type != DATA_TYPE_COMMON) {
+ continue;
+ }
+
+ if (old_battery_present != new_battery_present) {
+ (void)sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
+ result = acpi_sbs_generate_event(sbs->device,
+ ACPI_SBS_BATTERY_NOTIFY_STATUS,
+ new_battery_present,
+ dir_name,
+ ACPI_BATTERY_CLASS);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_generate_event() "
+ "failed\n"));
+ }
+ }
+ if (old_remaining_capacity != battery->state.remaining_capacity) {
+ (void)sprintf(dir_name, ACPI_BATTERY_DIR_NAME, id);
+ result = acpi_sbs_generate_event(sbs->device,
+ ACPI_SBS_BATTERY_NOTIFY_STATUS,
+ new_battery_present,
+ dir_name,
+ ACPI_BATTERY_CLASS);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_generate_event() failed\n"));
+ }
+ }
+
+ }
+ if (sbs->zombie) {
+ goto end;
+ }
+ if (data_type != DATA_TYPE_COMMON) {
+ goto end;
+ }
+
+ if (old_ac_present != new_ac_present) {
+ result = acpi_sbs_generate_event(sbs->device,
+ ACPI_SBS_AC_NOTIFY_STATUS,
+ new_ac_present,
+ ACPI_AC_DIR_NAME,
+ ACPI_AC_CLASS);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_generate_event() failed\n"));
+ }
+ }
+
+ end:
+ return result;
+}
+
+static void acpi_sbs_update_queue(void *data)
+{
+ struct acpi_sbs *sbs = data;
+ unsigned long delay = -1;
+ int result;
+
+ if (sbs->zombie) {
+ goto end;
+ }
+
+ result = acpi_sbs_update_run(sbs, DATA_TYPE_COMMON);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_update_run() failed\n"));
+ }
+
+ if (sbs->zombie) {
+ goto end;
+ }
+
+ if (update_mode == REQUEST_UPDATE_MODE) {
+ goto end;
+ }
+
+ delay = jiffies + HZ * update_time;
+ sbs->update_timer.data = (unsigned long)data;
+ sbs->update_timer.function = acpi_sbs_update_queue_run;
+ sbs->update_timer.expires = delay;
+ add_timer(&sbs->update_timer);
+ end:
+ ;
+}
+
+static int acpi_sbs_add(struct acpi_device *device)
+{
+ struct acpi_sbs *sbs = NULL;
+ struct acpi_ec_hc *ec_hc = NULL;
+ int result, remove_result = 0;
+ unsigned long sbs_obj;
+ int id, cnt;
+ acpi_status status = AE_OK;
+
+ sbs = kmalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
+ if (!sbs) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "kmalloc() failed\n"));
+ return -ENOMEM;
+ }
+ memset(sbs, 0, sizeof(struct acpi_sbs));
+
+ cnt = 0;
+ while (cnt < 10) {
+ cnt++;
+ ec_hc = acpi_get_ec_hc(device);
+ if (ec_hc) {
+ break;
+ }
+ msleep(1000);
+ }
+
+ if (!ec_hc) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_get_ec_hc() failed: "
+ "NO driver found for EC HC SMBus\n"));
+ result = -ENODEV;
+ goto end;
+ }
+
+ sbs->device = device;
+ sbs->smbus = ec_hc->smbus;
+
+ strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
+ strcpy(acpi_device_class(device), ACPI_SBS_CLASS);
+ acpi_driver_data(device) = sbs;
+
+ sbs->update_time = 0;
+ sbs->update_time2 = 0;
+
+ result = acpi_ac_add(sbs);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "acpi_ac_add() failed\n"));
+ goto end;
+ }
+ result = acpi_evaluate_integer(device->handle, "_SBS", NULL, &sbs_obj);
+ if (ACPI_FAILURE(result)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_evaluate_integer() failed\n"));
+ result = -EIO;
+ goto end;
+ }
+
+ if (sbs_obj > 0) {
+ result = acpi_sbsm_get_info(sbs);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbsm_get_info() failed\n"));
+ goto end;
+ }
+ sbs->sbsm_present = 1;
+ }
+ if (sbs->sbsm_present == 0) {
+ result = acpi_battery_add(sbs, 0);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_add() failed\n"));
+ goto end;
+ }
+ } else {
+ for (id = 0; id < MAX_SBS_BAT; id++) {
+ if ((sbs->sbsm_batteries_supported & (1 << id))) {
+ result = acpi_battery_add(sbs, id);
+ if (result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_battery_add() "
+ "failed\n"));
+ goto end;
+ }
+ }
+ }
+ }
+
+ sbs->handle = device->handle;
+
+ init_timer(&sbs->update_timer);
+ if (update_mode == QUEUE_UPDATE_MODE) {
+ status = acpi_os_execute(OSL_GPE_HANDLER,
+ acpi_sbs_update_queue, (void *)sbs);
+ if (status != AE_OK) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_os_execute() failed\n"));
+ }
+ }
+ sbs->update_time = update_time;
+ sbs->update_time2 = update_time2;
+
+ printk(KERN_INFO PREFIX "%s [%s]\n",
+ acpi_device_name(device), acpi_device_bid(device));
+
+ end:
+ if (result) {
+ remove_result = acpi_sbs_remove(device, 0);
+ if (remove_result) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_sbs_remove() failed\n"));
+ }
+ }
+
+ return result;
+}
+
+int acpi_sbs_remove(struct acpi_device *device, int type)
+{
+ struct acpi_sbs *sbs = (struct acpi_sbs *)acpi_driver_data(device);
+ int id;
+
+ if (!device || !sbs) {
+ return -EINVAL;
+ }
+
+ sbs->zombie = 1;
+ sbs->update_time = 0;
+ sbs->update_time2 = 0;
+ del_timer_sync(&sbs->update_timer);
+ acpi_os_wait_events_complete(NULL);
+ del_timer_sync(&sbs->update_timer);
+
+ for (id = 0; id < MAX_SBS_BAT; id++) {
+ acpi_battery_remove(sbs, id);
+ }
+
+ acpi_ac_remove(sbs);
+
+ kfree(sbs);
+
+ return 0;
+}
+
+static int __init acpi_sbs_init(void)
+{
+ int result = 0;
+
+ init_MUTEX(&sbs_sem);
+
+ if (capacity_mode != DEF_CAPACITY_UNIT
+ && capacity_mode != MAH_CAPACITY_UNIT
+ && capacity_mode != MWH_CAPACITY_UNIT) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "acpi_sbs_init: "
+ "invalid capacity_mode = %d\n",
+ capacity_mode));
+ return -EINVAL;
+ }
+
+ acpi_ac_dir = acpi_lock_ac_dir();
+ if (!acpi_ac_dir) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_lock_ac_dir() failed\n"));
+ return -ENODEV;
+ }
+
+ acpi_battery_dir = acpi_lock_battery_dir();
+ if (!acpi_battery_dir) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_lock_battery_dir() failed\n"));
+ return -ENODEV;
+ }
+
+ result = acpi_bus_register_driver(&acpi_sbs_driver);
+ if (result < 0) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "acpi_bus_register_driver() failed\n"));
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static void __exit acpi_sbs_exit(void)
+{
+
+ acpi_bus_unregister_driver(&acpi_sbs_driver);
+
+ acpi_unlock_ac_dir(acpi_ac_dir);
+ acpi_ac_dir = NULL;
+ acpi_unlock_battery_dir(acpi_battery_dir);
+ acpi_battery_dir = NULL;
+
+ return;
+}
+
+module_init(acpi_sbs_init);
+module_exit(acpi_sbs_exit);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 861ac378ce4..5fcb50c7b77 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -319,7 +319,7 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
goto end;
}
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
device->wakeup.flags.valid = 1;
/* Power button, Lid switch always enable wakeup */
@@ -854,7 +854,7 @@ static void acpi_device_set_id(struct acpi_device *device,
printk(KERN_ERR "Memory allocation error\n");
}
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
}
static int acpi_device_set_context(struct acpi_device *device, int type)
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index c90bd2f70b3..c3bb7faad75 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -86,7 +86,7 @@ acpi_system_read_dsdt(struct file *file,
res = simple_read_from_buffer(buffer, count, ppos,
dsdt.pointer, dsdt.length);
- acpi_os_free(dsdt.pointer);
+ kfree(dsdt.pointer);
return res;
}
@@ -113,7 +113,7 @@ acpi_system_read_fadt(struct file *file,
res = simple_read_from_buffer(buffer, count, ppos,
fadt.pointer, fadt.length);
- acpi_os_free(fadt.pointer);
+ kfree(fadt.pointer);
return res;
}
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index c855f4446b5..503c0b99db1 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -162,7 +162,7 @@ struct acpi_thermal_flags {
};
struct acpi_thermal {
- acpi_handle handle;
+ struct acpi_device * device;
acpi_bus_id name;
unsigned long temperature;
unsigned long last_temperature;
@@ -229,7 +229,7 @@ static int acpi_thermal_get_temperature(struct acpi_thermal *tz)
tz->last_temperature = tz->temperature;
status =
- acpi_evaluate_integer(tz->handle, "_TMP", NULL, &tz->temperature);
+ acpi_evaluate_integer(tz->device->handle, "_TMP", NULL, &tz->temperature);
if (ACPI_FAILURE(status))
return -ENODEV;
@@ -248,7 +248,7 @@ static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)
return -EINVAL;
status =
- acpi_evaluate_integer(tz->handle, "_TZP", NULL,
+ acpi_evaluate_integer(tz->device->handle, "_TZP", NULL,
&tz->polling_frequency);
if (ACPI_FAILURE(status))
return -ENODEV;
@@ -285,7 +285,7 @@ static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)
if (!tz)
return -EINVAL;
- status = acpi_get_handle(tz->handle, "_SCP", &handle);
+ status = acpi_get_handle(tz->device->handle, "_SCP", &handle);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "_SCP not present\n"));
return -ENODEV;
@@ -316,7 +316,7 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
/* Critical Shutdown (required) */
- status = acpi_evaluate_integer(tz->handle, "_CRT", NULL,
+ status = acpi_evaluate_integer(tz->device->handle, "_CRT", NULL,
&tz->trips.critical.temperature);
if (ACPI_FAILURE(status)) {
tz->trips.critical.flags.valid = 0;
@@ -332,7 +332,7 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
/* Critical Sleep (optional) */
status =
- acpi_evaluate_integer(tz->handle, "_HOT", NULL,
+ acpi_evaluate_integer(tz->device->handle, "_HOT", NULL,
&tz->trips.hot.temperature);
if (ACPI_FAILURE(status)) {
tz->trips.hot.flags.valid = 0;
@@ -346,7 +346,7 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
/* Passive: Processors (optional) */
status =
- acpi_evaluate_integer(tz->handle, "_PSV", NULL,
+ acpi_evaluate_integer(tz->device->handle, "_PSV", NULL,
&tz->trips.passive.temperature);
if (ACPI_FAILURE(status)) {
tz->trips.passive.flags.valid = 0;
@@ -355,25 +355,25 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
tz->trips.passive.flags.valid = 1;
status =
- acpi_evaluate_integer(tz->handle, "_TC1", NULL,
+ acpi_evaluate_integer(tz->device->handle, "_TC1", NULL,
&tz->trips.passive.tc1);
if (ACPI_FAILURE(status))
tz->trips.passive.flags.valid = 0;
status =
- acpi_evaluate_integer(tz->handle, "_TC2", NULL,
+ acpi_evaluate_integer(tz->device->handle, "_TC2", NULL,
&tz->trips.passive.tc2);
if (ACPI_FAILURE(status))
tz->trips.passive.flags.valid = 0;
status =
- acpi_evaluate_integer(tz->handle, "_TSP", NULL,
+ acpi_evaluate_integer(tz->device->handle, "_TSP", NULL,
&tz->trips.passive.tsp);
if (ACPI_FAILURE(status))
tz->trips.passive.flags.valid = 0;
status =
- acpi_evaluate_reference(tz->handle, "_PSL", NULL,
+ acpi_evaluate_reference(tz->device->handle, "_PSL", NULL,
&tz->trips.passive.devices);
if (ACPI_FAILURE(status))
tz->trips.passive.flags.valid = 0;
@@ -393,14 +393,14 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
char name[5] = { '_', 'A', 'C', ('0' + i), '\0' };
status =
- acpi_evaluate_integer(tz->handle, name, NULL,
+ acpi_evaluate_integer(tz->device->handle, name, NULL,
&tz->trips.active[i].temperature);
if (ACPI_FAILURE(status))
break;
name[2] = 'L';
status =
- acpi_evaluate_reference(tz->handle, name, NULL,
+ acpi_evaluate_reference(tz->device->handle, name, NULL,
&tz->trips.active[i].devices);
if (ACPI_SUCCESS(status)) {
tz->trips.active[i].flags.valid = 1;
@@ -424,7 +424,7 @@ static int acpi_thermal_get_devices(struct acpi_thermal *tz)
return -EINVAL;
status =
- acpi_evaluate_reference(tz->handle, "_TZD", NULL, &tz->devices);
+ acpi_evaluate_reference(tz->device->handle, "_TZD", NULL, &tz->devices);
if (ACPI_FAILURE(status))
return -ENODEV;
@@ -453,10 +453,6 @@ static int acpi_thermal_call_usermode(char *path)
static int acpi_thermal_critical(struct acpi_thermal *tz)
{
- int result = 0;
- struct acpi_device *device = NULL;
-
-
if (!tz || !tz->trips.critical.flags.valid)
return -EINVAL;
@@ -466,14 +462,10 @@ static int acpi_thermal_critical(struct acpi_thermal *tz)
} else if (tz->trips.critical.flags.enabled)
tz->trips.critical.flags.enabled = 0;
- result = acpi_bus_get_device(tz->handle, &device);
- if (result)
- return result;
-
printk(KERN_EMERG
"Critical temperature reached (%ld C), shutting down.\n",
KELVIN_TO_CELSIUS(tz->temperature));
- acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_CRITICAL,
+ acpi_bus_generate_event(tz->device, ACPI_THERMAL_NOTIFY_CRITICAL,
tz->trips.critical.flags.enabled);
acpi_thermal_call_usermode(ACPI_THERMAL_PATH_POWEROFF);
@@ -483,10 +475,6 @@ static int acpi_thermal_critical(struct acpi_thermal *tz)
static int acpi_thermal_hot(struct acpi_thermal *tz)
{
- int result = 0;
- struct acpi_device *device = NULL;
-
-
if (!tz || !tz->trips.hot.flags.valid)
return -EINVAL;
@@ -496,11 +484,7 @@ static int acpi_thermal_hot(struct acpi_thermal *tz)
} else if (tz->trips.hot.flags.enabled)
tz->trips.hot.flags.enabled = 0;
- result = acpi_bus_get_device(tz->handle, &device);
- if (result)
- return result;
-
- acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_HOT,
+ acpi_bus_generate_event(tz->device, ACPI_THERMAL_NOTIFY_HOT,
tz->trips.hot.flags.enabled);
/* TBD: Call user-mode "sleep(S4)" function */
@@ -1193,8 +1177,7 @@ static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data)
if (!tz)
return;
- if (acpi_bus_get_device(tz->handle, &device))
- return;
+ device = tz->device;
switch (event) {
case ACPI_THERMAL_NOTIFY_TEMPERATURE:
@@ -1293,7 +1276,7 @@ static int acpi_thermal_add(struct acpi_device *device)
return -ENOMEM;
memset(tz, 0, sizeof(struct acpi_thermal));
- tz->handle = device->handle;
+ tz->device = device;
strcpy(tz->name, device->pnp.bus_id);
strcpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_THERMAL_CLASS);
@@ -1311,7 +1294,7 @@ static int acpi_thermal_add(struct acpi_device *device)
acpi_thermal_check(tz);
- status = acpi_install_notify_handler(tz->handle,
+ status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_thermal_notify, tz);
if (ACPI_FAILURE(status)) {
@@ -1352,7 +1335,7 @@ static int acpi_thermal_remove(struct acpi_device *device, int type)
/* deferred task may reinsert timer */
del_timer_sync(&(tz->timer));
- status = acpi_remove_notify_handler(tz->handle,
+ status = acpi_remove_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_thermal_notify);
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index 7940fc1bd69..5cff17dc78b 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -166,10 +166,10 @@ acpi_status acpi_ut_delete_caches(void)
/* Free memory lists */
- acpi_os_free(acpi_gbl_global_list);
+ ACPI_FREE(acpi_gbl_global_list);
acpi_gbl_global_list = NULL;
- acpi_os_free(acpi_gbl_ns_node_list);
+ ACPI_FREE(acpi_gbl_ns_node_list);
acpi_gbl_ns_node_list = NULL;
#endif
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
index 56270a30718..1a1f8109159 100644
--- a/drivers/acpi/utilities/utcache.c
+++ b/drivers/acpi/utilities/utcache.c
@@ -162,7 +162,7 @@ acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache)
/* Now we can delete the cache object */
- acpi_os_free(cache);
+ ACPI_FREE(cache);
return (AE_OK);
}
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 1930e1a75b2..f48227f4c8c 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -332,7 +332,7 @@ acpi_evaluate_string(acpi_handle handle,
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%s]\n", *data));
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return AE_OK;
}
@@ -418,7 +418,7 @@ acpi_evaluate_reference(acpi_handle handle,
//kfree(list->handles);
}
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return status;
}
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 9feb633087a..56666a98247 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -117,7 +117,7 @@ struct acpi_video_enumerated_device {
};
struct acpi_video_bus {
- acpi_handle handle;
+ struct acpi_device *device;
u8 dos_setting;
struct acpi_video_enumerated_device *attached_array;
u8 attached_count;
@@ -155,7 +155,6 @@ struct acpi_video_device_brightness {
};
struct acpi_video_device {
- acpi_handle handle;
unsigned long device_id;
struct acpi_video_device_flags flags;
struct acpi_video_device_cap cap;
@@ -272,7 +271,8 @@ static int
acpi_video_device_query(struct acpi_video_device *device, unsigned long *state)
{
int status;
- status = acpi_evaluate_integer(device->handle, "_DGS", NULL, state);
+
+ status = acpi_evaluate_integer(device->dev->handle, "_DGS", NULL, state);
return status;
}
@@ -283,8 +283,7 @@ acpi_video_device_get_state(struct acpi_video_device *device,
{
int status;
-
- status = acpi_evaluate_integer(device->handle, "_DCS", NULL, state);
+ status = acpi_evaluate_integer(device->dev->handle, "_DCS", NULL, state);
return status;
}
@@ -299,7 +298,7 @@ acpi_video_device_set_state(struct acpi_video_device *device, int state)
arg0.integer.value = state;
- status = acpi_evaluate_integer(device->handle, "_DSS", &args, &ret);
+ status = acpi_evaluate_integer(device->dev->handle, "_DSS", &args, &ret);
return status;
}
@@ -315,7 +314,7 @@ acpi_video_device_lcd_query_levels(struct acpi_video_device *device,
*levels = NULL;
- status = acpi_evaluate_object(device->handle, "_BCL", NULL, &buffer);
+ status = acpi_evaluate_object(device->dev->handle, "_BCL", NULL, &buffer);
if (!ACPI_SUCCESS(status))
return status;
obj = (union acpi_object *)buffer.pointer;
@@ -344,7 +343,7 @@ acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level)
arg0.integer.value = level;
- status = acpi_evaluate_object(device->handle, "_BCM", &args, NULL);
+ status = acpi_evaluate_object(device->dev->handle, "_BCM", &args, NULL);
printk(KERN_DEBUG "set_level status: %x\n", status);
return status;
@@ -356,7 +355,7 @@ acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
{
int status;
- status = acpi_evaluate_integer(device->handle, "_BQC", NULL, level);
+ status = acpi_evaluate_integer(device->dev->handle, "_BQC", NULL, level);
return status;
}
@@ -383,7 +382,7 @@ acpi_video_device_EDID(struct acpi_video_device *device,
else
return -EINVAL;
- status = acpi_evaluate_object(device->handle, "_DDC", &args, &buffer);
+ status = acpi_evaluate_object(device->dev->handle, "_DDC", &args, &buffer);
if (ACPI_FAILURE(status))
return -ENODEV;
@@ -413,7 +412,7 @@ acpi_video_bus_set_POST(struct acpi_video_bus *video, unsigned long option)
arg0.integer.value = option;
- status = acpi_evaluate_integer(video->handle, "_SPD", &args, &tmp);
+ status = acpi_evaluate_integer(video->device->handle, "_SPD", &args, &tmp);
if (ACPI_SUCCESS(status))
status = tmp ? (-EINVAL) : (AE_OK);
@@ -425,8 +424,7 @@ acpi_video_bus_get_POST(struct acpi_video_bus *video, unsigned long *id)
{
int status;
-
- status = acpi_evaluate_integer(video->handle, "_GPD", NULL, id);
+ status = acpi_evaluate_integer(video->device->handle, "_GPD", NULL, id);
return status;
}
@@ -437,7 +435,7 @@ acpi_video_bus_POST_options(struct acpi_video_bus *video,
{
int status;
- status = acpi_evaluate_integer(video->handle, "_VPO", NULL, options);
+ status = acpi_evaluate_integer(video->device->handle, "_VPO", NULL, options);
*options &= 3;
return status;
@@ -478,7 +476,7 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag)
}
arg0.integer.value = (lcd_flag << 2) | bios_flag;
video->dos_setting = arg0.integer.value;
- acpi_evaluate_object(video->handle, "_DOS", &args, NULL);
+ acpi_evaluate_object(video->device->handle, "_DOS", &args, NULL);
Failed:
return status;
@@ -506,25 +504,25 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
memset(&device->cap, 0, 4);
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ADR", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_ADR", &h_dummy1))) {
device->cap._ADR = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_BCL", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_BCL", &h_dummy1))) {
device->cap._BCL = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_BCM", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_BCM", &h_dummy1))) {
device->cap._BCM = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DDC", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DDC", &h_dummy1))) {
device->cap._DDC = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DCS", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DCS", &h_dummy1))) {
device->cap._DCS = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DGS", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DGS", &h_dummy1))) {
device->cap._DGS = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DSS", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DSS", &h_dummy1))) {
device->cap._DSS = 1;
}
@@ -588,22 +586,22 @@ static void acpi_video_bus_find_cap(struct acpi_video_bus *video)
acpi_handle h_dummy1;
memset(&video->cap, 0, 4);
- if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_DOS", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_DOS", &h_dummy1))) {
video->cap._DOS = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_DOD", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_DOD", &h_dummy1))) {
video->cap._DOD = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_ROM", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_ROM", &h_dummy1))) {
video->cap._ROM = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_GPD", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_GPD", &h_dummy1))) {
video->cap._GPD = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_SPD", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_SPD", &h_dummy1))) {
video->cap._SPD = 1;
}
- if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_VPO", &h_dummy1))) {
+ if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_VPO", &h_dummy1))) {
video->cap._VPO = 1;
}
}
@@ -1271,7 +1269,6 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
memset(data, 0, sizeof(struct acpi_video_device));
- data->handle = device->handle;
strcpy(acpi_device_name(device), ACPI_VIDEO_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
acpi_driver_data(device) = data;
@@ -1298,7 +1295,7 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
acpi_video_device_bind(video, data);
acpi_video_device_find_cap(data);
- status = acpi_install_notify_handler(data->handle,
+ status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_device_notify,
data);
@@ -1400,8 +1397,7 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video)
union acpi_object *dod = NULL;
union acpi_object *obj;
-
- status = acpi_evaluate_object(video->handle, "_DOD", NULL, &buffer);
+ status = acpi_evaluate_object(video->device->handle, "_DOD", NULL, &buffer);
if (!ACPI_SUCCESS(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Evaluating _DOD"));
return status;
@@ -1450,7 +1446,7 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video)
video->attached_array = active_device_list;
video->attached_count = count;
out:
- acpi_os_free(buffer.pointer);
+ kfree(buffer.pointer);
return status;
}
@@ -1569,7 +1565,7 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
up(&video->sem);
acpi_video_device_remove_fs(device->dev);
- status = acpi_remove_notify_handler(device->handle,
+ status = acpi_remove_notify_handler(device->dev->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_device_notify);
@@ -1624,8 +1620,7 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data)
if (!video)
return;
- if (acpi_bus_get_device(handle, &device))
- return;
+ device = video->device;
switch (event) {
case ACPI_VIDEO_NOTIFY_SWITCH: /* User request that a switch occur,
@@ -1668,8 +1663,7 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
if (!video_device)
return;
- if (acpi_bus_get_device(handle, &device))
- return;
+ device = video_device->dev;
switch (event) {
case ACPI_VIDEO_NOTIFY_SWITCH: /* change in status (cycle output device) */
@@ -1707,7 +1701,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
return -ENOMEM;
memset(video, 0, sizeof(struct acpi_video_bus));
- video->handle = device->handle;
+ video->device = device;
strcpy(acpi_device_name(device), ACPI_VIDEO_BUS_NAME);
strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
acpi_driver_data(device) = video;
@@ -1727,7 +1721,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
acpi_video_bus_get_devices(video, device);
acpi_video_bus_start_devices(video);
- status = acpi_install_notify_handler(video->handle,
+ status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_bus_notify, video);
if (ACPI_FAILURE(status)) {
@@ -1767,7 +1761,7 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type)
acpi_video_bus_stop_devices(video);
- status = acpi_remove_notify_handler(video->handle,
+ status = acpi_remove_notify_handler(video->device->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_bus_notify);