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Staging: pcc-acpi: update to latest version

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Import the changes from the upstream driver into this version to keep
things up to date.

Cc: Yokota Hiroshi <yokota@netlab.cs.tsukuba.ac.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2008-10-21 22:21:51 -07:00
parent bc36e6559c
commit f2d86100d9
1 changed files with 337 additions and 259 deletions
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596
drivers/staging/pcc-acpi/pcc-acpi.c
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@ -94,20 +94,21 @@
* *
*/ */
#define ACPI_PCC_VERSION "0.9" #define ACPI_PCC_VERSION "0.9+hy"
#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/ctype.h>
#include <linux/seq_file.h>
#include <asm/uaccess.h>
#include <acpi/acpi_bus.h> #include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h> #include <acpi/acpi_drivers.h>
#include <asm/uaccess.h>
#include <linux/ctype.h>
#include <linux/init.h>
#include <linux/input.h> #include <linux/input.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/version.h>
/************************************************************************* /*************************************************************************
@ -152,10 +153,10 @@ static int _open_func_name_(struct inode *inode, struct file *file) \
#endif #endif
#define _COMPONENT ACPI_HOTKEY_COMPONENT #define _COMPONENT ACPI_HOTKEY_COMPONENT
ACPI_MODULE_NAME("pcc_acpi") ACPI_MODULE_NAME("pcc_acpi");
MODULE_AUTHOR("Hiroshi Miura"); MODULE_AUTHOR("Hiroshi Miura, Hiroshi Yokota");
MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Lets Note laptops"); MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Let's Note laptops");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
#define LOGPREFIX "pcc_acpi: " #define LOGPREFIX "pcc_acpi: "
@ -182,7 +183,7 @@ MODULE_LICENSE("GPL");
* definitions for /proc/ interface * definitions for /proc/ interface
* *
*******************************************************************/ *******************************************************************/
#define ACPI_PCC_DRIVER_NAME "PCC Extra Driver" #define ACPI_PCC_DRIVER_NAME "pcc_acpi"
#define ACPI_PCC_DEVICE_NAME "PCCExtra" #define ACPI_PCC_DEVICE_NAME "PCCExtra"
#define ACPI_PCC_CLASS "pcc" #define ACPI_PCC_CLASS "pcc"
#define PROC_PCC ACPI_PCC_CLASS #define PROC_PCC ACPI_PCC_CLASS
@ -196,6 +197,12 @@ MODULE_LICENSE("GPL");
#define PROC_STR_MAX_LEN 8 #define PROC_STR_MAX_LEN 8
#define BUS_PCC_HOTKEY BUS_I8042 /*0x1a*/ /* FIXME: BUS_I8042? */
/* Fn+F4/F5 confricts with Shift+F1/F2 */
/* This hack avoids key number confrict */
#define PCC_KEYINPUT_MODE (0)
/* LCD_TYPEs: 0 = Normal, 1 = Semi-transparent /* LCD_TYPEs: 0 = Normal, 1 = Semi-transparent
ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00 ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00
*/ */
@ -209,27 +216,32 @@ enum SINF_BITS { SINF_NUM_BATTERIES = 0,
SINF_STICKY_KEY = 0x80, SINF_STICKY_KEY = 0x80,
}; };
static int acpi_pcc_hotkey_add(struct acpi_device *device); static struct acpi_device_id pcc_device_ids[] = {
static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
static int acpi_pcc_hotkey_resume(struct acpi_device *device);
static const struct acpi_device_id pcc_device_ids[] = {
{"MAT0012", 0}, {"MAT0012", 0},
{"MAT0013", 0}, {"MAT0013", 0},
{"MAT0018", 0}, {"MAT0018", 0},
{"MAT0019", 0}, {"MAT0019", 0},
{"", 0}, {"", 0},
}; };
MODULE_DEVICE_TABLE(acpi, pcc_device_ids); MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
static int __devinit acpi_pcc_hotkey_add(struct acpi_device *device);
static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
static int acpi_pcc_hotkey_resume(struct acpi_device *device);
static struct acpi_driver acpi_pcc_driver = { static struct acpi_driver acpi_pcc_driver = {
.name = ACPI_PCC_DRIVER_NAME, .name = ACPI_PCC_DRIVER_NAME,
.class = ACPI_PCC_CLASS, .class = ACPI_PCC_CLASS,
.ids = pcc_device_ids, .ids = pcc_device_ids,
.ops = { .ops = {
.add = acpi_pcc_hotkey_add, .add = acpi_pcc_hotkey_add,
.remove = acpi_pcc_hotkey_remove, .remove = __devexit_p(acpi_pcc_hotkey_remove),
#ifdef CONFIG_PM
/*.suspend = acpi_pcc_hotkey_suspend,*/
.resume = acpi_pcc_hotkey_resume, .resume = acpi_pcc_hotkey_resume,
#endif
}, },
}; };
@ -248,9 +260,12 @@ struct pcc_keyinput {
int key_mode; int key_mode;
}; };
/* -------------------------------------------------------------------------- /* *************************************************************************
Hotkey driver core
************************************************************************* */
/* -------------------------------------------------------------------------
method access functions method access functions
-------------------------------------------------------------------------- */ ------------------------------------------------------------------------- */
static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val) static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
{ {
union acpi_object in_objs[] = { union acpi_object in_objs[] = {
@ -263,13 +278,13 @@ static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
.count = ARRAY_SIZE(in_objs), .count = ARRAY_SIZE(in_objs),
.pointer = in_objs, .pointer = in_objs,
}; };
acpi_status status = AE_OK; acpi_status status;
ACPI_FUNCTION_TRACE("acpi_pcc_write_sset"); ACPI_FUNCTION_TRACE("acpi_pcc_write_sset");
status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET, &params, NULL); status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET, &params, NULL);
return_VALUE(status == AE_OK); return_VALUE(status == AE_OK ? AE_OK : AE_ERROR);
} }
static inline int acpi_pcc_get_sqty(struct acpi_device *device) static inline int acpi_pcc_get_sqty(struct acpi_device *device)
@ -301,19 +316,20 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0 , &buffer); status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0 , &buffer);
if (ACPI_FAILURE(status)) { if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "evaluation error HKEY.SINF\n")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "evaluation error HKEY.SINF\n"));
return_VALUE(0); status = AE_ERROR;
return_VALUE(status);
} }
hkey = buffer.pointer; hkey = buffer.pointer;
if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) { if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n"));
goto end; goto free_buffer;
} }
if (hotkey->num_sifr < hkey->package.count) { if (hotkey->num_sifr < hkey->package.count) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "SQTY reports bad SINF length\n")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "SQTY reports bad SINF length\n"));
status = AE_ERROR; status = AE_ERROR;
goto end; goto free_buffer;
} }
for (i = 0; i < hkey->package.count; i++) { for (i = 0; i < hkey->package.count; i++) {
@ -322,59 +338,54 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
sinf[i] = element->integer.value; sinf[i] = element->integer.value;
} else { } else {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF data\n")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF data\n"));
status = AE_ERROR;
break;
} }
} }
sinf[hkey->package.count] = -1; sinf[hkey->package.count] = -1;
end: free_buffer:
kfree(buffer.pointer); kfree(buffer.pointer);
return_VALUE(status == AE_OK); return_VALUE(status == AE_OK ? AE_OK : AE_ERROR);
} }
static int acpi_pcc_read_sinf_field(struct seq_file *seq, int field) static int acpi_pcc_read_sinf_field(struct seq_file *seq, int field)
{ {
struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private; struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private;
u32* sinf = kmalloc(sizeof(u32) * (hotkey->num_sifr + 1), GFP_KERNEL); u32 sinf[hotkey->num_sifr + 1];
ACPI_FUNCTION_TRACE("acpi_pcc_read_sinf_field"); ACPI_FUNCTION_TRACE("acpi_pcc_read_sinf_field");
if (!sinf) { if (ACPI_SUCCESS(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate %li bytes\n",
sizeof(u32) * hotkey->num_sifr));
return_VALUE(0);
}
if (acpi_pcc_retrieve_biosdata(hotkey, sinf)) {
seq_printf(seq, "%u\n", sinf[field]); seq_printf(seq, "%u\n", sinf[field]);
} else { } else {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
} }
kfree(sinf); return_VALUE(AE_OK);
return_VALUE(0);
} }
/* -------------------------------------------------------------------------- /* -------------------------------------------------------------------------
user interface functions user interface functions
-------------------------------------------------------------------------- */ ------------------------------------------------------------------------- */
/* read methods */ /* read methods */
/* Sinf read methods */ /* Sinf read methods */
#define PCC_SINF_READ_F(_name_, FUNC) \ #define PCC_SINF_READ_F(_name_, FUNC) \
static int _name_ (struct seq_file *seq, void *offset) \ static int _name_ (struct seq_file *seq, void *offset) \
{ \ { \
return acpi_pcc_read_sinf_field(seq, (FUNC)); \ return_VALUE(ACPI_SUCCESS(acpi_pcc_read_sinf_field(seq, (FUNC))) ? 0 : -EINVAL); \
} }
PCC_SINF_READ_F(acpi_pcc_numbatteries_show, SINF_NUM_BATTERIES); PCC_SINF_READ_F(acpi_pcc_numbatteries_show, SINF_NUM_BATTERIES);
PCC_SINF_READ_F(acpi_pcc_lcdtype_show, SINF_LCD_TYPE); PCC_SINF_READ_F(acpi_pcc_lcdtype_show, SINF_LCD_TYPE);
PCC_SINF_READ_F(acpi_pcc_ac_brightness_max_show, SINF_AC_MAX_BRIGHT); PCC_SINF_READ_F(acpi_pcc_ac_brightness_max_show, SINF_AC_MAX_BRIGHT);
PCC_SINF_READ_F(acpi_pcc_ac_brightness_min_show, SINF_AC_MIN_BRIGHT); PCC_SINF_READ_F(acpi_pcc_ac_brightness_min_show, SINF_AC_MIN_BRIGHT);
PCC_SINF_READ_F(acpi_pcc_ac_brightness_show, SINF_AC_CUR_BRIGHT); PCC_SINF_READ_F(acpi_pcc_ac_brightness_show, SINF_AC_CUR_BRIGHT);
PCC_SINF_READ_F(acpi_pcc_dc_brightness_max_show, SINF_DC_MAX_BRIGHT); PCC_SINF_READ_F(acpi_pcc_dc_brightness_max_show, SINF_DC_MAX_BRIGHT);
PCC_SINF_READ_F(acpi_pcc_dc_brightness_min_show, SINF_DC_MIN_BRIGHT); PCC_SINF_READ_F(acpi_pcc_dc_brightness_min_show, SINF_DC_MIN_BRIGHT);
PCC_SINF_READ_F(acpi_pcc_dc_brightness_show, SINF_DC_CUR_BRIGHT); PCC_SINF_READ_F(acpi_pcc_dc_brightness_show, SINF_DC_CUR_BRIGHT);
PCC_SINF_READ_F(acpi_pcc_brightness_show, SINF_AC_CUR_BRIGHT); PCC_SINF_READ_F(acpi_pcc_brightness_show, SINF_AC_CUR_BRIGHT);
PCC_SINF_READ_F(acpi_pcc_mute_show, SINF_MUTE); PCC_SINF_READ_F(acpi_pcc_mute_show, SINF_MUTE);
static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset) static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
{ {
@ -383,7 +394,7 @@ static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
ACPI_FUNCTION_TRACE("acpi_pcc_sticky_key_show"); ACPI_FUNCTION_TRACE("acpi_pcc_sticky_key_show");
if (!hotkey || !hotkey->device) { if (!hotkey || !hotkey->device) {
return_VALUE(0); return_VALUE(-EINVAL);
} }
seq_printf(seq, "%d\n", hotkey->sticky_mode); seq_printf(seq, "%d\n", hotkey->sticky_mode);
@ -410,8 +421,9 @@ static int acpi_pcc_version_show(struct seq_file *seq, void *offset)
ACPI_FUNCTION_TRACE("acpi_pcc_version_show"); ACPI_FUNCTION_TRACE("acpi_pcc_version_show");
if (!hotkey || !hotkey->device) if (!hotkey || !hotkey->device) {
return 0; return_VALUE(-EINVAL);
}
seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME, ACPI_PCC_VERSION); seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME, ACPI_PCC_VERSION);
seq_printf(seq, "%li functions\n", hotkey->num_sifr); seq_printf(seq, "%li functions\n", hotkey->num_sifr);
@ -421,27 +433,28 @@ static int acpi_pcc_version_show(struct seq_file *seq, void *offset)
/* write methods */ /* write methods */
static ssize_t acpi_pcc_write_single_flag (struct file *file, static ssize_t acpi_pcc_write_single_flag (struct file *file,
const char __user *buffer, const char __user *buffer,
size_t count, size_t count,
int sinf_func) int sinf_func)
{ {
struct seq_file *seq = file->private_data; struct seq_file *seq = file->private_data;
struct acpi_hotkey *hotkey = seq->private; struct acpi_hotkey *hotkey = seq->private;
char write_string[PROC_STR_MAX_LEN]; char write_string[PROC_STR_MAX_LEN];
u32 val; u32 val;
ACPI_FUNCTION_TRACE("acpi_pcc_write_single_flag"); ACPI_FUNCTION_TRACE("acpi_pcc_write_single_flag");
if (!hotkey || (count > sizeof(write_string) - 1)) { if (!hotkey || (count > sizeof(write_string) - 1)) {
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
} }
if (copy_from_user(write_string, buffer, count)) { if (copy_from_user(write_string, buffer, count)) {
return_VALUE(-EFAULT); return_VALUE(-EFAULT);
} }
write_string[count] = '\0'; write_string[count] = '\0';
if (sscanf(write_string, "%i", &val) == 1 && (val == 0 || val == 1)) { if ((sscanf(write_string, "%3i", &val) == 1) &&
(val == 0 || val == 1)) {
acpi_pcc_write_sset(hotkey, sinf_func, val); acpi_pcc_write_sset(hotkey, sinf_func, val);
} }
@ -457,53 +470,51 @@ static unsigned long acpi_pcc_write_brightness(struct file *file, const char __u
struct acpi_hotkey *hotkey = (struct acpi_hotkey *)seq->private; struct acpi_hotkey *hotkey = (struct acpi_hotkey *)seq->private;
char write_string[PROC_STR_MAX_LEN]; char write_string[PROC_STR_MAX_LEN];
u32 bright; u32 bright;
u32* sinf = kmalloc(sizeof(u32) * (hotkey->num_sifr + 1), GFP_KERNEL); u32 sinf[hotkey->num_sifr + 1];
ACPI_FUNCTION_TRACE("acpi_pcc_write_brightness"); ACPI_FUNCTION_TRACE("acpi_pcc_write_brightness");
if (!hotkey || (count > sizeof(write_string) - 1)) if (!hotkey || (count > sizeof(write_string) - 1)) {
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
}
if (!sinf) { if (copy_from_user(write_string, buffer, count)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate %li bytes\n",
sizeof(u32) * hotkey->num_sifr));
return_VALUE(-EFAULT); return_VALUE(-EFAULT);
} }
if (copy_from_user(write_string, buffer, count))
return_VALUE(-EFAULT);
write_string[count] = '\0'; write_string[count] = '\0';
if (!acpi_pcc_retrieve_biosdata(hotkey, sinf)) { if (ACPI_FAILURE(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
goto end; goto end;
} }
if (sscanf(write_string, "%i", &bright) == 1 && if ((sscanf(write_string, "%4i", &bright) == 1) &&
bright >= sinf[min_index] && bright <= sinf[max_index]) { (bright >= sinf[min_index] ) &&
acpi_pcc_write_sset(hotkey, cur_index, bright); (bright <= sinf[max_index] )) {
acpi_pcc_write_sset(hotkey, cur_index, bright);
} }
end: end:
kfree(sinf);
return_VALUE(count); return_VALUE(count);
} }
static ssize_t acpi_pcc_write_ac_brightness(struct file *file, const char __user *buffer, static ssize_t acpi_pcc_write_ac_brightness(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
return acpi_pcc_write_brightness(file, buffer, count, SINF_AC_MIN_BRIGHT, return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
SINF_AC_MAX_BRIGHT, SINF_AC_MIN_BRIGHT,
SINF_AC_CUR_BRIGHT); SINF_AC_MAX_BRIGHT,
SINF_AC_CUR_BRIGHT));
} }
static ssize_t acpi_pcc_write_dc_brightness(struct file *file, const char __user *buffer, static ssize_t acpi_pcc_write_dc_brightness(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
return acpi_pcc_write_brightness(file, buffer, count, SINF_DC_MIN_BRIGHT, return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
SINF_DC_MAX_BRIGHT, SINF_DC_MIN_BRIGHT,
SINF_DC_CUR_BRIGHT); SINF_DC_MAX_BRIGHT,
SINF_DC_CUR_BRIGHT));
} }
static ssize_t acpi_pcc_write_no_brightness(struct file *file, const char __user *buffer, static ssize_t acpi_pcc_write_no_brightness(struct file *file, const char __user *buffer,
@ -518,14 +529,36 @@ static ssize_t acpi_pcc_write_mute (struct file *file,
const char __user *buffer, const char __user *buffer,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
return acpi_pcc_write_single_flag(file, buffer, count, SINF_MUTE); return_VALUE(acpi_pcc_write_single_flag(file, buffer, count, SINF_MUTE));
} }
static ssize_t acpi_pcc_write_sticky_key (struct file *file, static ssize_t acpi_pcc_write_sticky_key (struct file *file,
const char __user *buffer, const char __user *buffer,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
return acpi_pcc_write_single_flag(file, buffer, count, SINF_STICKY_KEY); struct seq_file *seq = (struct seq_file *)file->private_data;
struct acpi_hotkey *hotkey = (struct acpi_hotkey *)seq->private;
char write_string[PROC_STR_MAX_LEN];
int mode;
ACPI_FUNCTION_TRACE("acpi_pcc_write_sticky_key");
if (!hotkey || (count > sizeof(write_string) - 1)) {
return_VALUE(-EINVAL);
}
if (copy_from_user(write_string, buffer, count)) {
return_VALUE(-EFAULT);
}
write_string[count] = '\0';
if ((sscanf(write_string, "%3i", &mode) == 1) &&
(mode == 0 || mode == 1)) {
acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, mode);
hotkey->sticky_mode = mode;
}
return_VALUE(count);
} }
static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buffer, static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buffer,
@ -539,25 +572,28 @@ static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buf
ACPI_FUNCTION_TRACE("acpi_pcc_write_keyinput"); ACPI_FUNCTION_TRACE("acpi_pcc_write_keyinput");
if (!hotkey || (count > sizeof(write_string) - 1)) if (!hotkey || (count > (sizeof(write_string) - 1))) {
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
}
if (copy_from_user(write_string, buffer, count)) if (copy_from_user(write_string, buffer, count)) {
return_VALUE(-EFAULT); return_VALUE(-EFAULT);
}
write_string[count] = '\0'; write_string[count] = '\0';
if (sscanf(write_string, "%i", &key_mode) == 1 && (key_mode == 0 || key_mode == 1)) { if ((sscanf(write_string, "%4i", &key_mode) == 1) &&
keyinput = (struct pcc_keyinput *)input_get_drvdata(hotkey->input_dev); (key_mode == 0 || key_mode == 1)) {
keyinput = input_get_drvdata(hotkey->input_dev);
keyinput->key_mode = key_mode; keyinput->key_mode = key_mode;
} }
return_VALUE(count); return_VALUE(count);
} }
/* -------------------------------------------------------------------------- /* -------------------------------------------------------------------------
hotkey driver hotkey driver
-------------------------------------------------------------------------- */ ------------------------------------------------------------------------- */
static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey) static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
{ {
struct input_dev *hotk_input_dev = hotkey->input_dev; struct input_dev *hotk_input_dev = hotkey->input_dev;
@ -640,38 +676,38 @@ void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
return_VOID; return_VOID;
} }
/* -------------------------------------------------------------------------- /* *************************************************************************
FS Interface (/proc) FS Interface (/proc)
-------------------------------------------------------------------------- */ ************************************************************************* */
/* oepn proc file fs*/ /* oepn proc file fs*/
SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs, acpi_pcc_dc_brightness_show); SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs, acpi_pcc_dc_brightness_show);
SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs, acpi_pcc_numbatteries_show); SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs, acpi_pcc_numbatteries_show);
SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs, acpi_pcc_lcdtype_show); SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs, acpi_pcc_lcdtype_show);
SEQ_OPEN_FS(acpi_pcc_ac_brightness_max_open_fs, acpi_pcc_ac_brightness_max_show); SEQ_OPEN_FS(acpi_pcc_ac_brightness_max_open_fs, acpi_pcc_ac_brightness_max_show);
SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs, acpi_pcc_ac_brightness_min_show); SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs, acpi_pcc_ac_brightness_min_show);
SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs, acpi_pcc_ac_brightness_show); SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs, acpi_pcc_ac_brightness_show);
SEQ_OPEN_FS(acpi_pcc_dc_brightness_max_open_fs, acpi_pcc_dc_brightness_max_show); SEQ_OPEN_FS(acpi_pcc_dc_brightness_max_open_fs, acpi_pcc_dc_brightness_max_show);
SEQ_OPEN_FS(acpi_pcc_dc_brightness_min_open_fs, acpi_pcc_dc_brightness_min_show); SEQ_OPEN_FS(acpi_pcc_dc_brightness_min_open_fs, acpi_pcc_dc_brightness_min_show);
SEQ_OPEN_FS(acpi_pcc_brightness_open_fs, acpi_pcc_brightness_show); SEQ_OPEN_FS(acpi_pcc_brightness_open_fs, acpi_pcc_brightness_show);
SEQ_OPEN_FS(acpi_pcc_mute_open_fs, acpi_pcc_mute_show); SEQ_OPEN_FS(acpi_pcc_mute_open_fs, acpi_pcc_mute_show);
SEQ_OPEN_FS(acpi_pcc_version_open_fs, acpi_pcc_version_show); SEQ_OPEN_FS(acpi_pcc_version_open_fs, acpi_pcc_version_show);
SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs, acpi_pcc_keyinput_show); SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs, acpi_pcc_keyinput_show);
SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show); SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show);
typedef struct file_operations fops_t; typedef struct file_operations fops_t;
static fops_t acpi_pcc_numbatteries_fops = SEQ_FILEOPS_R (acpi_pcc_numbatteries_open_fs); static fops_t acpi_pcc_numbatteries_fops = SEQ_FILEOPS_R (acpi_pcc_numbatteries_open_fs);
static fops_t acpi_pcc_lcdtype_fops = SEQ_FILEOPS_R (acpi_pcc_lcdtype_open_fs); static fops_t acpi_pcc_lcdtype_fops = SEQ_FILEOPS_R (acpi_pcc_lcdtype_open_fs);
static fops_t acpi_pcc_mute_fops = SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute); static fops_t acpi_pcc_mute_fops = SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
static fops_t acpi_pcc_ac_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs, acpi_pcc_write_ac_brightness); static fops_t acpi_pcc_ac_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs, acpi_pcc_write_ac_brightness);
static fops_t acpi_pcc_ac_brightness_max_fops = SEQ_FILEOPS_R(acpi_pcc_ac_brightness_max_open_fs); static fops_t acpi_pcc_ac_brightness_max_fops = SEQ_FILEOPS_R (acpi_pcc_ac_brightness_max_open_fs);
static fops_t acpi_pcc_ac_brightness_min_fops = SEQ_FILEOPS_R(acpi_pcc_ac_brightness_min_open_fs); static fops_t acpi_pcc_ac_brightness_min_fops = SEQ_FILEOPS_R (acpi_pcc_ac_brightness_min_open_fs);
static fops_t acpi_pcc_dc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs, acpi_pcc_write_dc_brightness); static fops_t acpi_pcc_dc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs, acpi_pcc_write_dc_brightness);
static fops_t acpi_pcc_dc_brightness_max_fops = SEQ_FILEOPS_R(acpi_pcc_dc_brightness_max_open_fs); static fops_t acpi_pcc_dc_brightness_max_fops = SEQ_FILEOPS_R (acpi_pcc_dc_brightness_max_open_fs);
static fops_t acpi_pcc_dc_brightness_min_fops = SEQ_FILEOPS_R(acpi_pcc_dc_brightness_min_open_fs); static fops_t acpi_pcc_dc_brightness_min_fops = SEQ_FILEOPS_R (acpi_pcc_dc_brightness_min_open_fs);
static fops_t acpi_pcc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs, acpi_pcc_write_no_brightness); static fops_t acpi_pcc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs, acpi_pcc_write_no_brightness);
static fops_t acpi_pcc_sticky_key_fops = SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key); static fops_t acpi_pcc_sticky_key_fops = SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
static fops_t acpi_pcc_keyinput_fops = SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput); static fops_t acpi_pcc_keyinput_fops = SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
static fops_t acpi_pcc_version_fops = SEQ_FILEOPS_R (acpi_pcc_version_open_fs); static fops_t acpi_pcc_version_fops = SEQ_FILEOPS_R (acpi_pcc_version_open_fs);
typedef struct _ProcItem typedef struct _ProcItem
{ {
@ -681,37 +717,35 @@ typedef struct _ProcItem
} ProcItem; } ProcItem;
/* Note: These functions map *exactly* to the SINF/SSET functions */ /* Note: These functions map *exactly* to the SINF/SSET functions */
ProcItem pcc_proc_items_sifr[] = ProcItem acpi_pcc_proc_items_sifr[] = {
{ { "num_batteries", &acpi_pcc_numbatteries_fops, S_IRUGO },
{ "num_batteries", &acpi_pcc_numbatteries_fops, S_IRUGO }, { "lcd_type", &acpi_pcc_lcdtype_fops, S_IRUGO },
{ "lcd_type", &acpi_pcc_lcdtype_fops, S_IRUGO },
{ "ac_brightness_max" , &acpi_pcc_ac_brightness_max_fops,S_IRUGO }, { "ac_brightness_max" , &acpi_pcc_ac_brightness_max_fops,S_IRUGO },
{ "ac_brightness_min" , &acpi_pcc_ac_brightness_min_fops,S_IRUGO }, { "ac_brightness_min" , &acpi_pcc_ac_brightness_min_fops,S_IRUGO },
{ "ac_brightness" , &acpi_pcc_ac_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR }, { "ac_brightness" , &acpi_pcc_ac_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
{ "dc_brightness_max" , &acpi_pcc_dc_brightness_max_fops,S_IRUGO }, { "dc_brightness_max" , &acpi_pcc_dc_brightness_max_fops,S_IRUGO },
{ "dc_brightness_min" , &acpi_pcc_dc_brightness_min_fops,S_IRUGO }, { "dc_brightness_min" , &acpi_pcc_dc_brightness_min_fops,S_IRUGO },
{ "dc_brightness" , &acpi_pcc_dc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR }, { "dc_brightness" , &acpi_pcc_dc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
{ "brightness" , &acpi_pcc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR }, { "brightness" , &acpi_pcc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
{ "mute", &acpi_pcc_mute_fops, S_IFREG | S_IRUGO | S_IWUSR }, { "mute", &acpi_pcc_mute_fops, S_IFREG | S_IRUGO | S_IWUSR },
{ NULL, NULL, 0 }, { NULL, NULL, 0 },
}; };
ProcItem pcc_proc_items[] = ProcItem acpi_pcc_proc_items[] = {
{
{ "sticky_key", &acpi_pcc_sticky_key_fops, S_IFREG | S_IRUGO | S_IWUSR }, { "sticky_key", &acpi_pcc_sticky_key_fops, S_IFREG | S_IRUGO | S_IWUSR },
{ "keyinput", &acpi_pcc_keyinput_fops, S_IFREG | S_IRUGO | S_IWUSR }, { "keyinput", &acpi_pcc_keyinput_fops, S_IFREG | S_IRUGO | S_IWUSR },
{ "version", &acpi_pcc_version_fops, S_IRUGO }, { "version", &acpi_pcc_version_fops, S_IRUGO },
{ NULL, NULL, 0 }, { NULL, NULL, 0 },
}; };
static int acpi_pcc_add_device(struct acpi_device *device, static int __devinit acpi_pcc_add_device(struct acpi_device *device,
ProcItem *proc_items, ProcItem *proc_items,
int num) int num)
{ {
struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
struct proc_dir_entry* proc; struct proc_dir_entry* proc;
ProcItem* item; ProcItem* item;
int i; int i;
struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
for (item = proc_items, i = 0; item->name && i < num; ++item, ++i) { for (item = proc_items, i = 0; item->name && i < num; ++item, ++i) {
proc = create_proc_entry(item->name, item->flag, hotkey->proc_dir_entry); proc = create_proc_entry(item->name, item->flag, hotkey->proc_dir_entry);
@ -724,16 +758,16 @@ static int acpi_pcc_add_device(struct acpi_device *device,
item--; item--;
remove_proc_entry(item->name, hotkey->proc_dir_entry); remove_proc_entry(item->name, hotkey->proc_dir_entry);
} }
return -ENODEV; return_VALUE(-ENODEV);
} }
} }
return 0; return_VALUE(0);
} }
static int acpi_pcc_proc_init(struct acpi_device *device) static int __devinit acpi_pcc_proc_init(struct acpi_device *device)
{ {
struct proc_dir_entry* acpi_pcc_dir; struct proc_dir_entry *acpi_pcc_dir;
struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device); struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
acpi_status status; acpi_status status;
ACPI_FUNCTION_TRACE("acpi_pcc_proc_init"); ACPI_FUNCTION_TRACE("acpi_pcc_proc_init");
@ -748,8 +782,8 @@ static int acpi_pcc_proc_init(struct acpi_device *device)
acpi_pcc_dir->owner = THIS_MODULE; acpi_pcc_dir->owner = THIS_MODULE;
hotkey->proc_dir_entry = acpi_pcc_dir; hotkey->proc_dir_entry = acpi_pcc_dir;
status = acpi_pcc_add_device(device, pcc_proc_items_sifr, hotkey->num_sifr); status = acpi_pcc_add_device(device, acpi_pcc_proc_items_sifr, hotkey->num_sifr);
status |= acpi_pcc_add_device(device, pcc_proc_items, sizeof(pcc_proc_items)/sizeof(ProcItem)); status |= acpi_pcc_add_device(device, acpi_pcc_proc_items, ARRAY_SIZE(acpi_pcc_proc_items));
if (unlikely(status)) { if (unlikely(status)) {
remove_proc_entry(PROC_PCC, acpi_root_dir); remove_proc_entry(PROC_PCC, acpi_root_dir);
hotkey->proc_dir_entry = NULL; hotkey->proc_dir_entry = NULL;
@ -759,9 +793,9 @@ static int acpi_pcc_proc_init(struct acpi_device *device)
return_VALUE(status); return_VALUE(status);
} }
static void acpi_pcc_remove_device(struct acpi_device *device, static void __devexit acpi_pcc_remove_device(struct acpi_device *device,
ProcItem *proc_items, ProcItem *proc_items,
int num) int num)
{ {
struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device); struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
ProcItem* item; ProcItem* item;
@ -771,76 +805,13 @@ static void acpi_pcc_remove_device(struct acpi_device *device,
remove_proc_entry(item->name, hotkey->proc_dir_entry); remove_proc_entry(item->name, hotkey->proc_dir_entry);
} }
return; return_VOID;
} }
/* -------------------------------------------------------------------------- /* *************************************************************************
input init Power Management
-------------------------------------------------------------------------- */ ************************************************************************* */
static int acpi_pcc_init_input(struct acpi_hotkey *hotkey) #ifdef CONFIG_PM
{
struct input_dev *hotk_input_dev;
struct pcc_keyinput *pcc_keyinput;
ACPI_FUNCTION_TRACE("acpi_pcc_init_input");
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
hotk_input_dev = input_allocate_device();
if (!hotk_input_dev) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate input device for hotkey"));
return_VALUE(-ENOMEM);
}
#else
hotk_input_dev = kcalloc(1, sizeof(struct input_dev),GFP_KERNEL);
if (hotk_input_dev == NULL) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
return_VALUE(-ENOMEM);
}
#endif
pcc_keyinput = kcalloc(1,sizeof(struct pcc_keyinput),GFP_KERNEL);
if (pcc_keyinput == NULL) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
input_unregister_device(hotk_input_dev);
return_VALUE(-ENOMEM);
}
hotk_input_dev->evbit[0] = BIT(EV_KEY);
set_bit(KEY_BRIGHTNESSDOWN, hotk_input_dev->keybit);
set_bit(KEY_BRIGHTNESSUP, hotk_input_dev->keybit);
set_bit(KEY_MUTE, hotk_input_dev->keybit);
set_bit(KEY_VOLUMEDOWN, hotk_input_dev->keybit);
set_bit(KEY_VOLUMEUP, hotk_input_dev->keybit);
set_bit(KEY_SLEEP, hotk_input_dev->keybit);
set_bit(KEY_BATT, hotk_input_dev->keybit);
set_bit(KEY_SUSPEND, hotk_input_dev->keybit);
hotk_input_dev->name = ACPI_PCC_DRIVER_NAME;
hotk_input_dev->phys = ACPI_PCC_INPUT_PHYS;
hotk_input_dev->id.bustype = 0x1a; /* XXX FIXME: BUS_I8042? */
hotk_input_dev->id.vendor = 0x0001;
hotk_input_dev->id.product = 0x0001;
hotk_input_dev->id.version = 0x0100;
pcc_keyinput->key_mode = 1; /* default on */
pcc_keyinput->hotkey = hotkey;
input_set_drvdata(hotk_input_dev, pcc_keyinput);
hotkey->input_dev = hotk_input_dev;
input_register_device(hotk_input_dev);
return_VALUE(0);
}
/* --------------------------------------------------------------------------
module init
-------------------------------------------------------------------------- */
static int acpi_pcc_hotkey_resume(struct acpi_device *device) static int acpi_pcc_hotkey_resume(struct acpi_device *device)
{ {
struct acpi_hotkey *hotkey = acpi_driver_data(device); struct acpi_hotkey *hotkey = acpi_driver_data(device);
@ -850,52 +821,149 @@ static int acpi_pcc_hotkey_resume(struct acpi_device *device)
if (device == NULL || hotkey == NULL) { return_VALUE(-EINVAL); } if (device == NULL || hotkey == NULL) { return_VALUE(-EINVAL); }
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Sticky mode restore: %d\n", hotkey->sticky_mode)); if (hotkey->num_sifr != 0) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Sticky mode restore: %d\n", hotkey->sticky_mode));
status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, hotkey->sticky_mode); status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, hotkey->sticky_mode);
}
if (status != AE_OK) { return_VALUE(-EINVAL); }
return_VALUE(status == AE_OK ? 0 : -EINVAL); return_VALUE(0);
}
#endif
/* *************************************************************************
Module init/remove
************************************************************************* */
/* -------------------------------------------------------------------------
input
------------------------------------------------------------------------- */
static int __devinit acpi_pcc_init_input(struct acpi_hotkey *hotkey)
{
struct input_dev *hotk_input_dev;
struct pcc_keyinput *pcc_keyinput;
int error;
ACPI_FUNCTION_TRACE("acpi_pcc_init_input");
hotk_input_dev = input_allocate_device();
if (hotk_input_dev == NULL) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate input device for hotkey"));
goto err_input;
}
pcc_keyinput = kcalloc(1, sizeof(struct pcc_keyinput), GFP_KERNEL);
if (pcc_keyinput == NULL) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for private data"));
goto err_pcc;
}
hotk_input_dev->evbit[0] = BIT(EV_KEY);
set_bit(KEY_BRIGHTNESSDOWN, hotk_input_dev->keybit);
set_bit(KEY_BRIGHTNESSUP, hotk_input_dev->keybit);
set_bit(KEY_MUTE, hotk_input_dev->keybit);
set_bit(KEY_VOLUMEDOWN, hotk_input_dev->keybit);
set_bit(KEY_VOLUMEUP, hotk_input_dev->keybit);
set_bit(KEY_SLEEP, hotk_input_dev->keybit);
set_bit(KEY_BATT, hotk_input_dev->keybit);
set_bit(KEY_SUSPEND, hotk_input_dev->keybit);
hotk_input_dev->name = ACPI_PCC_DRIVER_NAME;
hotk_input_dev->phys = ACPI_PCC_INPUT_PHYS;
hotk_input_dev->id.bustype = BUS_PCC_HOTKEY;
hotk_input_dev->id.vendor = 0x0001;
hotk_input_dev->id.product = 0x0001;
hotk_input_dev->id.version = 0x0100;
pcc_keyinput->key_mode = PCC_KEYINPUT_MODE;
pcc_keyinput->hotkey = hotkey;
input_set_drvdata(hotk_input_dev, pcc_keyinput);
hotkey->input_dev = hotk_input_dev;
error = input_register_device(hotk_input_dev);
if (error) {
goto err_pcc;
}
return_VALUE(0);
err_pcc:
input_unregister_device(hotk_input_dev);
err_input:
return_VALUE(-ENOMEM);
} }
static int acpi_pcc_hotkey_add (struct acpi_device *device) static void __devexit acpi_pcc_remove_input(struct acpi_hotkey *hotkey)
{
struct input_dev *hotk_input_dev;
struct pcc_keyinput *pcc_keyinput;
ACPI_FUNCTION_TRACE("acpi_pcc_remove_input");
if (hotkey == NULL) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Can't free memory"));
return_VOID;
}
hotk_input_dev = hotkey->input_dev;
pcc_keyinput = input_get_drvdata(hotk_input_dev);
input_unregister_device(hotk_input_dev);
kfree(pcc_keyinput);
}
/* -------------------------------------------------------------------------
ACPI
------------------------------------------------------------------------- */
static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
{ {
acpi_status status = AE_OK; acpi_status status = AE_OK;
struct acpi_hotkey *hotkey = NULL; struct acpi_hotkey *hotkey = NULL;
int num_sifr, result; int sifr_status, num_sifr, result;
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add"); ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add");
if (!device) { if (device == NULL) {
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
} }
num_sifr = acpi_pcc_get_sqty(device); sifr_status = acpi_pcc_get_sqty(device);
if (num_sifr > 255) { if (sifr_status > 255) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large"));
return_VALUE(-ENODEV); return_VALUE(-ENODEV);
} }
hotkey = kmalloc(sizeof(struct acpi_hotkey), GFP_KERNEL); if (sifr_status < 0) {
if (!hotkey) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "not support SQTY"));
num_sifr = 0;
} else {
num_sifr = sifr_status;
}
hotkey = kcalloc(1, sizeof(struct acpi_hotkey), GFP_KERNEL);
if (hotkey == NULL) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
return_VALUE(-ENOMEM); return_VALUE(-ENOMEM);
} }
memset(hotkey, 0, sizeof(struct acpi_hotkey)); hotkey->device = device;
hotkey->handle = device->handle;
hotkey->device = device;
hotkey->handle = device->handle;
hotkey->num_sifr = num_sifr; hotkey->num_sifr = num_sifr;
acpi_driver_data(device) = hotkey; acpi_driver_data(device) = hotkey;
strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME); strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_PCC_CLASS); strcpy(acpi_device_class(device), ACPI_PCC_CLASS);
status = acpi_install_notify_handler ( status = acpi_install_notify_handler(hotkey->handle,
hotkey->handle, ACPI_DEVICE_NOTIFY,
ACPI_DEVICE_NOTIFY, acpi_pcc_hotkey_notify,
acpi_pcc_hotkey_notify, hotkey);
hotkey);
if (ACPI_FAILURE(status)) { if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing notify handler\n")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing notify handler\n"));
@ -904,7 +972,7 @@ static int acpi_pcc_hotkey_add (struct acpi_device *device)
} }
result = acpi_pcc_init_input(hotkey); result = acpi_pcc_init_input(hotkey);
if (result) { if (result != 0) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing keyinput handler\n")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing keyinput handler\n"));
kfree(hotkey); kfree(hotkey);
return_VALUE(result); return_VALUE(result);
@ -913,13 +981,50 @@ static int acpi_pcc_hotkey_add (struct acpi_device *device)
return_VALUE(acpi_pcc_proc_init(device)); return_VALUE(acpi_pcc_proc_init(device));
} }
static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
{
acpi_status status = AE_OK;
struct acpi_hotkey *hotkey = acpi_driver_data(device);
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
if (!device || !hotkey) {
return_VALUE(-EINVAL);
}
if (hotkey->proc_dir_entry) {
acpi_pcc_remove_device(device, acpi_pcc_proc_items_sifr, hotkey->num_sifr);
acpi_pcc_remove_device(device, acpi_pcc_proc_items, ARRAY_SIZE(acpi_pcc_proc_items));
remove_proc_entry(PROC_PCC, acpi_root_dir);
}
status = acpi_remove_notify_handler(hotkey->handle,
ACPI_DEVICE_NOTIFY, acpi_pcc_hotkey_notify);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error removing notify handler\n"));
}
acpi_pcc_remove_input(hotkey);
if (hotkey != NULL) {
kfree(hotkey);
}
return_VALUE(status == AE_OK);
}
/* *********************************************************************
Module entry point
********************************************************************* */
static int __init acpi_pcc_init(void) static int __init acpi_pcc_init(void)
{ {
int result = 0; int result;
ACPI_FUNCTION_TRACE("acpi_pcc_init"); ACPI_FUNCTION_TRACE("acpi_pcc_init");
printk(KERN_INFO LOGPREFIX "loading...\n");
if (acpi_disabled) { if (acpi_disabled) {
printk(KERN_INFO LOGPREFIX "ACPI disabled.\n");
return_VALUE(-ENODEV); return_VALUE(-ENODEV);
} }
@ -929,46 +1034,19 @@ static int __init acpi_pcc_init(void)
return_VALUE(-ENODEV); return_VALUE(-ENODEV);
} }
return_VALUE(0); return_VALUE(result);
}
module_init(acpi_pcc_init);
static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
{
acpi_status status = AE_OK;
struct acpi_hotkey *hotkey = acpi_driver_data(device);
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
if (!device || !hotkey)
return_VALUE(-EINVAL);
if (hotkey->proc_dir_entry) {
acpi_pcc_remove_device(device, pcc_proc_items_sifr, hotkey->num_sifr);
acpi_pcc_remove_device(device, pcc_proc_items, sizeof(pcc_proc_items)/sizeof(ProcItem));
remove_proc_entry(PROC_PCC, acpi_root_dir);
}
status = acpi_remove_notify_handler(hotkey->handle,
ACPI_DEVICE_NOTIFY, acpi_pcc_hotkey_notify);
if (ACPI_FAILURE(status))
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error removing notify handler\n"));
input_unregister_device(hotkey->input_dev);
kfree(hotkey);
return_VALUE(status == AE_OK);
} }
static void __exit acpi_pcc_exit(void) static void __exit acpi_pcc_exit(void)
{ {
ACPI_FUNCTION_TRACE("acpi_pcc_exit"); ACPI_FUNCTION_TRACE("acpi_pcc_exit");
printk(KERN_INFO LOGPREFIX "unloading...\n");
acpi_bus_unregister_driver(&acpi_pcc_driver); acpi_bus_unregister_driver(&acpi_pcc_driver);
return_VOID; return_VOID;
} }
module_init(acpi_pcc_init);
module_exit(acpi_pcc_exit); module_exit(acpi_pcc_exit);