diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/staging/Makefile | 1 | ||||
| -rw-r--r-- | drivers/staging/pcc-acpi/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/staging/pcc-acpi/Makefile | 1 | ||||
| -rw-r--r-- | drivers/staging/pcc-acpi/TODO | 7 | ||||
| -rw-r--r-- | drivers/staging/pcc-acpi/pcc-acpi.c | 1111 |
6 files changed, 0 insertions, 1133 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index c4eff44c9f27..e1654f59eb70 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -43,8 +43,6 @@ source "drivers/staging/echo/Kconfig" source "drivers/staging/at76_usb/Kconfig" -source "drivers/staging/pcc-acpi/Kconfig" - source "drivers/staging/poch/Kconfig" endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 7cb8701d96d4..71c4d53760b8 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -13,5 +13,4 @@ obj-$(CONFIG_W35UND) += winbond/ obj-$(CONFIG_PRISM2_USB) += wlan-ng/ obj-$(CONFIG_ECHO) += echo/ obj-$(CONFIG_USB_ATMEL) += at76_usb/ -obj-$(CONFIG_PCC_ACPI) += pcc-acpi/ obj-$(CONFIG_POCH) += poch/ diff --git a/drivers/staging/pcc-acpi/Kconfig b/drivers/staging/pcc-acpi/Kconfig deleted file mode 100644 index 6720d4086baf..000000000000 --- a/drivers/staging/pcc-acpi/Kconfig +++ /dev/null @@ -1,11 +0,0 @@ -config PCC_ACPI - tristate "Panasonic ACPI Hotkey support" - depends on ACPI - default n - ---help--- - This driver provides support for Panasonic hotkeys through the - ACPI interface. This works for the Panasonic R1 (N variant), - R2, R3, T2, W2, and Y2 laptops. - - To compile this driver as a module, choose M here. The module - will be called pcc-acpi. diff --git a/drivers/staging/pcc-acpi/Makefile b/drivers/staging/pcc-acpi/Makefile deleted file mode 100644 index f93b29edf61e..000000000000 --- a/drivers/staging/pcc-acpi/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-$(CONFIG_PCC_ACPI) += pcc-acpi.o diff --git a/drivers/staging/pcc-acpi/TODO b/drivers/staging/pcc-acpi/TODO deleted file mode 100644 index fab240982286..000000000000 --- a/drivers/staging/pcc-acpi/TODO +++ /dev/null @@ -1,7 +0,0 @@ -TODO: - - Lindent fixes - - checkpatch.pl fixes - - verify that the acpi interface is correct - - remove /proc dependancy if needed (not sure yet.) - -Please send any patches for this driver to Greg Kroah-Hartman <greg@kroah.com> diff --git a/drivers/staging/pcc-acpi/pcc-acpi.c b/drivers/staging/pcc-acpi/pcc-acpi.c deleted file mode 100644 index 3b34a3e4885a..000000000000 --- a/drivers/staging/pcc-acpi/pcc-acpi.c +++ /dev/null @@ -1,1111 +0,0 @@ -/* - * Panasonic HotKey and lcd brightness control Extra driver - * (C) 2004 Hiroshi Miura <miura@da-cha.org> - * (C) 2004 NTT DATA Intellilink Co. http://www.intellilink.co.jp/ - * (C) YOKOTA Hiroshi <yokota (at) netlab. is. tsukuba. ac. jp> - * (C) 2004 David Bronaugh <dbronaugh> - * - * derived from toshiba_acpi.c, Copyright (C) 2002-2004 John Belmonte - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * publicshed by the Free Software Foundation. - * - * 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 - * - *--------------------------------------------------------------------------- - * - * ChangeLog: - * - * Nov.04, 2006 Hiroshi Miura <miura@da-cha.org> - * -v0.9 remove warning about section reference. - * remove acpi_os_free - * add /proc/acpi/pcc/brightness interface to - * allow HAL to access. - * merge dbronaugh's enhancement - * Aug.17, 2004 David Bronaugh (dbronaugh) - * - Added screen brightness setting interface - * Thanks to the FreeBSD crew - * (acpi_panasonic.c authors) - * for the ideas I needed to accomplish it - * - * May.29, 2006 Hiroshi Miura <miura@da-cha.org> - * -v0.8.4 follow to change keyinput structure - * thanks Fabian Yamaguchi <fabs@cs.tu-berlin.de>, - * Jacob Bower <jacob.bower@ic.ac.uk> and - * Hiroshi Yokota for providing solutions. - * - * Oct.02, 2004 Hiroshi Miura <miura@da-cha.org> - * -v0.8.2 merge code of YOKOTA Hiroshi - * <yokota@netlab.is.tsukuba.ac.jp>. - * Add sticky key mode interface. - * Refactoring acpi_pcc_generete_keyinput(). - * - * Sep.15, 2004 Hiroshi Miura <miura@da-cha.org> - * -v0.8 Generate key input event on input subsystem. - * This is based on yet another driver - * written by Ryuta Nakanishi. - * - * Sep.10, 2004 Hiroshi Miura <miura@da-cha.org> - * -v0.7 Change proc interface functions using seq_file - * facility as same as other ACPI drivers. - * - * Aug.28, 2004 Hiroshi Miura <miura@da-cha.org> - * -v0.6.4 Fix a silly error with status checking - * - * Aug.25, 2004 Hiroshi Miura <miura@da-cha.org> - * -v0.6.3 replace read_acpi_int by standard - * function acpi_evaluate_integer - * some clean up and make smart copyright notice. - * fix return value of pcc_acpi_get_key() - * fix checking return value of acpi_bus_register_driver() - * - * Aug.22, 2004 David Bronaugh <dbronaugh@linuxboxen.org> - * -v0.6.2 Add check on ACPI data (num_sifr) - * Coding style cleanups, better error messages/handling - * Fixed an off-by-one error in memory allocation - * - * Aug.21, 2004 David Bronaugh <dbronaugh@linuxboxen.org> - * -v0.6.1 Fix a silly error with status checking - * - * Aug.20, 2004 David Bronaugh <dbronaugh@linuxboxen.org> - * - v0.6 Correct brightness controls to reflect reality - * based on information gleaned by Hiroshi Miura - * and discussions with Hiroshi Miura - * - * Aug.10, 2004 Hiroshi Miura <miura@da-cha.org> - * - v0.5 support LCD brightness control - * based on the disclosed information by MEI. - * - * Jul.25, 2004 Hiroshi Miura <miura@da-cha.org> - * - v0.4 first post version - * add function to retrive SIFR - * - * Jul.24, 2004 Hiroshi Miura <miura@da-cha.org> - * - v0.3 get proper status of hotkey - * - * Jul.22, 2004 Hiroshi Miura <miura@da-cha.org> - * - v0.2 add HotKey handler - * - * Jul.17, 2004 Hiroshi Miura <miura@da-cha.org> - * - v0.1 start from toshiba_acpi driver written by John Belmonte - * - */ - -#define ACPI_PCC_VERSION "0.9+hy" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/ctype.h> -#include <linux/init.h> -#include <linux/input.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <linux/slab.h> -#include <linux/uaccess.h> -#include <acpi/acpi_bus.h> -#include <acpi/acpi_drivers.h> - - -/************************************************************************* - * "seq" file template definition. - */ -/* "seq" initializer */ -#define SEQ_OPEN_FS(_open_func_name_, _show_func_name_) \ -static int _open_func_name_(struct inode *inode, struct file *file) \ -{ \ - return single_open(file, _show_func_name_, PDE(inode)->data); \ -} - -/*------------------------------------------------------------------------- - * "seq" fops template for read-only files. - */ -#define SEQ_FILEOPS_R(_open_func_name_) \ -{ \ - .open = _open_func_name_, \ - .read = seq_read, \ - .llseek = seq_lseek, \ - .release = single_release, \ -} - -/*------------------------------------------------------------------------ - * "seq" fops template for read-write files. - */ -#define SEQ_FILEOPS_RW(_open_func_name_, _write_func_name_) \ -{ \ - .open = _open_func_name_ , \ - .read = seq_read, \ - .write = _write_func_name_, \ - .llseek = seq_lseek, \ - .release = single_release, \ -} - -/* - * "seq" file template definition ended. - *************************************************************************** - */ -#ifndef ACPI_HOTKEY_COMPONENT -#define ACPI_HOTKEY_COMPONENT 0x10000000 -#endif - -#define _COMPONENT ACPI_HOTKEY_COMPONENT -ACPI_MODULE_NAME("pcc_acpi"); - -MODULE_AUTHOR("Hiroshi Miura, Hiroshi Yokota"); -MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Let's Note laptops"); -MODULE_LICENSE("GPL"); - -#define LOGPREFIX "pcc_acpi: " - -/**************************************************** - * Define ACPI PATHs - ****************************************************/ -/* Lets note hotkeys */ -#define METHOD_HKEY_QUERY "HINF" -#define METHOD_HKEY_SQTY "SQTY" -#define METHOD_HKEY_SINF "SINF" -#define METHOD_HKEY_SSET "SSET" -#define HKEY_NOTIFY 0x80 - -/* for brightness control */ -#define LCD_MAX_BRIGHTNESS 255 -/* This may be magical -- beware */ -#define LCD_BRIGHTNESS_INCREMENT 17 -/* Registers of SINF */ -#define SINF_LCD_BRIGHTNESS 4 - -/******************************************************************* - * - * definitions for /proc/ interface - * - *******************************************************************/ -#define ACPI_PCC_DRIVER_NAME "pcc_acpi" -#define ACPI_PCC_DEVICE_NAME "PCCExtra" -#define ACPI_PCC_CLASS "pcc" -#define PROC_PCC ACPI_PCC_CLASS - -#define ACPI_PCC_INPUT_PHYS "panasonic/hkey0" - -/* This is transitional definition */ -#ifndef KEY_BATT -# define KEY_BATT 227 -#endif - -#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 - ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00 -*/ -enum SINF_BITS { SINF_NUM_BATTERIES = 0, - SINF_LCD_TYPE, - SINF_AC_MAX_BRIGHT, - SINF_AC_MIN_BRIGHT, - SINF_AC_CUR_BRIGHT, - /* 4 = R1 only handle SINF_AC_CUR_BRIGHT - * as SINF_CUR_BRIGHT and don't know AC state */ - SINF_DC_MAX_BRIGHT, - SINF_DC_MIN_BRIGHT, - SINF_DC_CUR_BRIGHT, - SINF_MUTE, - SINF_RESERVED, - SINF_ENV_STATE, /* 10 */ - SINF_STICKY_KEY = 0x80, -}; - -static struct acpi_device_id pcc_device_ids[] = { - {"MAT0012", 0}, - {"MAT0013", 0}, - {"MAT0018", 0}, - {"MAT0019", 0}, - {"", 0}, -}; -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 = { - .name = ACPI_PCC_DRIVER_NAME, - .class = ACPI_PCC_CLASS, - .ids = pcc_device_ids, - .ops = { - .add = acpi_pcc_hotkey_add, - .remove = __devexit_p(acpi_pcc_hotkey_remove), -#ifdef CONFIG_PM - /*.suspend = acpi_pcc_hotkey_suspend,*/ - .resume = acpi_pcc_hotkey_resume, -#endif - }, -}; - -struct acpi_hotkey { - acpi_handle handle; - struct acpi_device *device; - struct proc_dir_entry *proc_dir_entry; - unsigned long num_sifr; - unsigned long status; - struct input_dev *input_dev; - int sticky_mode; -}; - -struct pcc_keyinput { - struct acpi_hotkey *hotkey; - int key_mode; -}; - -/* ************************************************************************* - Hotkey driver core - ************************************************************************* */ -/* ------------------------------------------------------------------------- - method access functions - ------------------------------------------------------------------------- */ -static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val) -{ - union acpi_object in_objs[] = { - { .integer.type = ACPI_TYPE_INTEGER, - .integer.value = func, }, - { .integer.type = ACPI_TYPE_INTEGER, - .integer.value = val, }, - }; - struct acpi_object_list params = { - .count = ARRAY_SIZE(in_objs), - .pointer = in_objs, - }; - acpi_status status; - - ACPI_FUNCTION_TRACE("acpi_pcc_write_sset"); - - status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET, - ¶ms, NULL); - - return_VALUE(status == AE_OK ? AE_OK : AE_ERROR); -} - -static inline int acpi_pcc_get_sqty(struct acpi_device *device) -{ - unsigned long s; - acpi_status status; - - ACPI_FUNCTION_TRACE("acpi_pcc_get_sqty"); - - status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY, - NULL, &s); - if (ACPI_SUCCESS(status)) { - return_VALUE(s); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "evaluation error HKEY.SQTY\n")); - return_VALUE(-EINVAL); - } -} - -static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32 *sinf) -{ - acpi_status status; - struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; - union acpi_object *hkey = NULL; - int i; - - ACPI_FUNCTION_TRACE("acpi_pcc_retrieve_biosdata"); - - status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0, - &buffer); - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "evaluation error HKEY.SINF\n")); - status = AE_ERROR; - return_VALUE(status); - } - - hkey = buffer.pointer; - if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n")); - goto free_buffer; - } - - if (hotkey->num_sifr < hkey->package.count) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "SQTY reports bad SINF length\n")); - status = AE_ERROR; - goto free_buffer; - } - - for (i = 0; i < hkey->package.count; i++) { - union acpi_object *element = &(hkey->package.elements[i]); - if (likely(element->type == ACPI_TYPE_INTEGER)) { - sinf[i] = element->integer.value; - } else { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid HKEY.SINF data\n")); - status = AE_ERROR; - break; - } - } - sinf[hkey->package.count] = -1; - - free_buffer: - kfree(buffer.pointer); - return_VALUE(status == AE_OK ? AE_OK : AE_ERROR); -} - -static int acpi_pcc_read_sinf_field(struct seq_file *seq, int field) -{ - struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private; - u32 sinf[hotkey->num_sifr + 1]; - - ACPI_FUNCTION_TRACE("acpi_pcc_read_sinf_field"); - - if (ACPI_SUCCESS(acpi_pcc_retrieve_biosdata(hotkey, sinf))) - seq_printf(seq, "%u\n", sinf[field]); - else - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Couldn't retrieve BIOS data\n")); - - return_VALUE(AE_OK); -} - -/* ------------------------------------------------------------------------- - user interface functions - ------------------------------------------------------------------------- */ -/* read methods */ -/* Sinf read methods */ -#define PCC_SINF_READ_F(_name_, FUNC) \ -static int _name_(struct seq_file *seq, void *offset) \ -{ \ - 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_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_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_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_show, SINF_DC_CUR_BRIGHT); -PCC_SINF_READ_F(acpi_pcc_brightness_show, SINF_AC_CUR_BRIGHT); -PCC_SINF_READ_F(acpi_pcc_mute_show, SINF_MUTE); - -static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset) -{ - struct acpi_hotkey *hotkey = seq->private; - - ACPI_FUNCTION_TRACE("acpi_pcc_sticky_key_show"); - - if (!hotkey || !hotkey->device) - return_VALUE(-EINVAL); - - seq_printf(seq, "%d\n", hotkey->sticky_mode); - - return_VALUE(0); -} - -static int acpi_pcc_keyinput_show(struct seq_file *seq, void *offset) -{ - struct acpi_hotkey *hotkey = seq->private; - struct input_dev *hotk_input_dev = hotkey->input_dev; - struct pcc_keyinput *keyinput = input_get_drvdata(hotk_input_dev); - - ACPI_FUNCTION_TRACE("acpi_pcc_keyinput_show"); - - seq_printf(seq, "%d\n", keyinput->key_mode); - - return_VALUE(0); -} - -static int acpi_pcc_version_show(struct seq_file *seq, void *offset) -{ - struct acpi_hotkey *hotkey = seq->private; - - ACPI_FUNCTION_TRACE("acpi_pcc_version_show"); - - if (!hotkey || !hotkey->device) - return_VALUE(-EINVAL); - - seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME, - ACPI_PCC_VERSION); - seq_printf(seq, "%li functions\n", hotkey->num_sifr); - - return_VALUE(0); -} - -/* write methods */ -static ssize_t acpi_pcc_write_single_flag(struct file *file, - const char __user *buffer, - size_t count, - int sinf_func) -{ - struct seq_file *seq = file->private_data; - struct acpi_hotkey *hotkey = seq->private; - char write_string[PROC_STR_MAX_LEN]; - u32 val; - - ACPI_FUNCTION_TRACE("acpi_pcc_write_single_flag"); - - 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", &val) == 1) && - (val == 0 || val == 1)) - acpi_pcc_write_sset(hotkey, sinf_func, val); - - return_VALUE(count); -} - -static unsigned long acpi_pcc_write_brightness(struct file *file, - const char __user *buffer, - size_t count, - int min_index, int max_index, - int cur_index) -{ - 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]; - u32 bright; - u32 sinf[hotkey->num_sifr + 1]; - - ACPI_FUNCTION_TRACE("acpi_pcc_write_brightness"); - - 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 (ACPI_FAILURE(acpi_pcc_retrieve_biosdata(hotkey, sinf))) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Couldn't retrieve BIOS data\n")); - goto end; - } - - if ((sscanf(write_string, "%4i", &bright) == 1) && - (bright >= sinf[min_index]) && - (bright <= sinf[max_index])) - acpi_pcc_write_sset(hotkey, cur_index, bright); - -end: - return_VALUE(count); -} - -static ssize_t acpi_pcc_write_ac_brightness(struct file *file, - const char __user *buffer, - size_t count, loff_t *ppos) -{ - return_VALUE(acpi_pcc_write_brightness(file, buffer, count, - SINF_AC_MIN_BRIGHT, - SINF_AC_MAX_BRIGHT, - SINF_AC_CUR_BRIGHT)); -} - -static ssize_t acpi_pcc_write_dc_brightness(struct file *file, - const char __user *buffer, - size_t count, loff_t *ppos) -{ - return_VALUE(acpi_pcc_write_brightness(file, buffer, count, - SINF_DC_MIN_BRIGHT, - SINF_DC_MAX_BRIGHT, - SINF_DC_CUR_BRIGHT)); -} - -static ssize_t acpi_pcc_write_no_brightness(struct file *file, - const char __user *buffer, - size_t count, loff_t *ppos) -{ - return acpi_pcc_write_brightness(file, buffer, count, - SINF_AC_MIN_BRIGHT, - SINF_AC_MAX_BRIGHT, - SINF_AC_CUR_BRIGHT); -} - -static ssize_t acpi_pcc_write_mute(struct file *file, - const char __user *buffer, - size_t count, loff_t *ppos) -{ - return_VALUE(acpi_pcc_write_single_flag(file, buffer, count, - SINF_MUTE)); -} - -static ssize_t acpi_pcc_write_sticky_key(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_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, - size_t count, loff_t *ppos) -{ - struct seq_file *seq = (struct seq_file *)file->private_data; - struct acpi_hotkey *hotkey = (struct acpi_hotkey *)seq->private; - struct pcc_keyinput *keyinput; - char write_string[PROC_STR_MAX_LEN]; - int key_mode; - - ACPI_FUNCTION_TRACE("acpi_pcc_write_keyinput"); - - 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, "%4i", &key_mode) == 1) && - (key_mode == 0 || key_mode == 1)) { - keyinput = input_get_drvdata(hotkey->input_dev); - keyinput->key_mode = key_mode; - } - - return_VALUE(count); -} - -/* ------------------------------------------------------------------------- - hotkey driver - ------------------------------------------------------------------------- */ -static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey) -{ - struct input_dev *hotk_input_dev = hotkey->input_dev; - struct pcc_keyinput *keyinput = input_get_drvdata(hotk_input_dev); - int hinf = hotkey->status; - int key_code, hkey_num; - const int key_map[] = { - /* 0 */ -1, - /* 1 */ KEY_BRIGHTNESSDOWN, - /* 2 */ KEY_BRIGHTNESSUP, - /* 3 */ -1, /* vga/lcd switch event is not occur on - hotkey driver. */ - /* 4 */ KEY_MUTE, - /* 5 */ KEY_VOLUMEDOWN, - /* 6 */ KEY_VOLUMEUP, - /* 7 */ KEY_SLEEP, - /* 8 */ -1, /* Change CPU boost: do nothing */ - /* 9 */ KEY_BATT, - /* 10 */ KEY_SUSPEND, - }; - - ACPI_FUNCTION_TRACE("acpi_pcc_generete_keyinput"); - - if (keyinput->key_mode == 0) - return_VOID; - - hkey_num = hinf & 0xf; - - if ((0 > hkey_num) || - (hkey_num > ARRAY_SIZE(key_map))) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "hotkey number out of range: %d\n", - hkey_num)); - return_VOID; - } - - key_code = key_map[hkey_num]; - - if (key_code != -1) { - int pushed = (hinf & 0x80) ? TRUE : FALSE; - - input_report_key(hotk_input_dev, key_code, pushed); - input_sync(hotk_input_dev); - } -} - -static int acpi_pcc_hotkey_get_key(struct acpi_hotkey *hotkey) -{ - unsigned long result; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_get_key"); - - status = acpi_evaluate_integer(hotkey->handle, METHOD_HKEY_QUERY, - NULL, &result); - if (likely(ACPI_SUCCESS(status))) - hotkey->status = result; - else - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "error getting hotkey status\n")); - - return_VALUE(status == AE_OK); -} - -void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data) -{ - struct acpi_hotkey *hotkey = (struct acpi_hotkey *) data; - - ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_notify"); - - switch (event) { - case HKEY_NOTIFY: - if (acpi_pcc_hotkey_get_key(hotkey)) { - /* generate event like '"pcc HKEY 00000080 00000084"' - * when Fn+F4 pressed */ - acpi_bus_generate_proc_event(hotkey->device, event, - hotkey->status); - } - acpi_pcc_generete_keyinput(hotkey); - break; - default: - /* nothing to do */ - break; - } - return_VOID; -} - -/* ************************************************************************* - FS Interface (/proc) - ************************************************************************* */ -/* oepn proc file fs*/ -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_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_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_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_brightness_open_fs, acpi_pcc_brightness_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_keyinput_open_fs, acpi_pcc_keyinput_show); -SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show); - -static struct file_operations acpi_pcc_numbatteries_fops = - SEQ_FILEOPS_R(acpi_pcc_numbatteries_open_fs); -static struct file_operations acpi_pcc_lcdtype_fops = - SEQ_FILEOPS_R(acpi_pcc_lcdtype_open_fs); -static struct file_operations acpi_pcc_mute_fops = - SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute); -static struct file_operations acpi_pcc_ac_brightness_fops = - SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs, - acpi_pcc_write_ac_brightness); -static struct file_operations acpi_pcc_ac_brightness_max_fops = - SEQ_FILEOPS_R(acpi_pcc_ac_brightness_max_open_fs); -static struct file_operations acpi_pcc_ac_brightness_min_fops = - SEQ_FILEOPS_R(acpi_pcc_ac_brightness_min_open_fs); -static struct file_operations acpi_pcc_dc_brightness_fops = - SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs, - acpi_pcc_write_dc_brightness); -static struct file_operations acpi_pcc_dc_brightness_max_fops = - SEQ_FILEOPS_R(acpi_pcc_dc_brightness_max_open_fs); -static struct file_operations acpi_pcc_dc_brightness_min_fops = - SEQ_FILEOPS_R(acpi_pcc_dc_brightness_min_open_fs); -static struct file_operations acpi_pcc_brightness_fops = - SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs, - acpi_pcc_write_no_brightness); -static struct file_operations acpi_pcc_sticky_key_fops = - SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key); -static struct file_operations acpi_pcc_keyinput_fops = - SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput); -static struct file_operations acpi_pcc_version_fops = - SEQ_FILEOPS_R(acpi_pcc_version_open_fs); - -struct proc_item { - const char *name; - struct file_operations *fops; - mode_t flag; -}; - -/* Note: These functions map *exactly* to the SINF/SSET functions */ -struct proc_item acpi_pcc_proc_items_sifr[] = { - { "num_batteries", &acpi_pcc_numbatteries_fops, S_IRUGO }, - { "lcd_type", &acpi_pcc_lcdtype_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", &acpi_pcc_ac_brightness_fops, - S_IFREG | S_IRUGO | S_IWUSR }, - { "dc_brightness_max", &acpi_pcc_dc_brightness_max_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 }, - { "brightness", &acpi_pcc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR}, - { "mute", &acpi_pcc_mute_fops, S_IFREG | S_IRUGO | S_IWUSR }, - { NULL, NULL, 0 }, -}; - -struct proc_item acpi_pcc_proc_items[] = { - { "sticky_key", &acpi_pcc_sticky_key_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 }, - { NULL, NULL, 0 }, -}; - -static int __devinit acpi_pcc_add_device(struct acpi_device *device, - struct proc_item *proc_items, - int num) -{ - struct acpi_hotkey *hotkey = acpi_driver_data(device); - struct proc_dir_entry *proc; - struct proc_item *item; - int 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); - if (likely(proc)) { - proc->proc_fops = item->fops; - proc->data = hotkey; - proc->owner = THIS_MODULE; - } else { - while (i-- > 0) { - item--; - remove_proc_entry(item->name, - hotkey->proc_dir_entry); - } - return_VALUE(-ENODEV); - } - } - return_VALUE(0); -} - -static int __devinit acpi_pcc_proc_init(struct acpi_device *device) -{ - struct proc_dir_entry *acpi_pcc_dir; - struct acpi_hotkey *hotkey = acpi_driver_data(device); - acpi_status status; - - ACPI_FUNCTION_TRACE("acpi_pcc_proc_init"); - - acpi_pcc_dir = proc_mkdir(PROC_PCC, acpi_root_dir); - - if (unlikely(!acpi_pcc_dir)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Couldn't create dir in /proc\n")); - return_VALUE(-ENODEV); - } - - acpi_pcc_dir->owner = THIS_MODULE; - hotkey->proc_dir_entry = acpi_pcc_dir; - - status = acpi_pcc_add_device(device, acpi_pcc_proc_items_sifr, - hotkey->num_sifr); - status |= acpi_pcc_add_device(device, acpi_pcc_proc_items, - ARRAY_SIZE(acpi_pcc_proc_items)); - if (unlikely(status)) { - remove_proc_entry(PROC_PCC, acpi_root_dir); - hotkey->proc_dir_entry = NULL; - return_VALUE(-ENODEV); - } - - return_VALUE(status); -} - -static void __devexit acpi_pcc_remove_device(struct acpi_device *device, - struct proc_item *proc_items, - int num) -{ - struct acpi_hotkey *hotkey = acpi_driver_data(device); - struct proc_item *item; - int i; - - for (item = proc_items, i = 0; - item->name != NULL && i < num; - ++item, ++i) { - remove_proc_entry(item->name, hotkey->proc_dir_entry); - } - - return_VOID; -} - -/* ************************************************************************* - Power Management - ************************************************************************* */ -#ifdef CONFIG_PM -static int acpi_pcc_hotkey_resume(struct acpi_device *device) -{ - struct acpi_hotkey *hotkey = acpi_driver_data(device); - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume"); - - if (device == NULL || hotkey == NULL) - return_VALUE(-EINVAL); - - 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); - } - if (status != AE_OK) - return_VALUE(-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 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; - struct acpi_hotkey *hotkey = NULL; - int sifr_status, num_sifr, result; - - ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add"); - - if (device == NULL) - return_VALUE(-EINVAL); - - sifr_status = acpi_pcc_get_sqty(device); - - if (sifr_status > 255) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large")); - return_VALUE(-ENODEV); - } - - if (sifr_status < 0) { - 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")); - return_VALUE(-ENOMEM); - } - - hotkey->device = device; - hotkey->handle = device->handle; - hotkey->num_sifr = num_sifr; - device->driver_data = hotkey; - strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_PCC_CLASS); - - status = acpi_install_notify_handler(hotkey->handle, - ACPI_DEVICE_NOTIFY, - acpi_pcc_hotkey_notify, - hotkey); - - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing notify handler\n")); - kfree(hotkey); - return_VALUE(-ENODEV); - } - - result = acpi_pcc_init_input(hotkey); - if (result != 0) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing keyinput handler\n")); - kfree(hotkey); - return_VALUE(result); - } - - 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); - kfree(hotkey); - return_VALUE(status == AE_OK); -} - -/* ********************************************************************* - Module entry point - ********************************************************************* */ -static int __init acpi_pcc_init(void) -{ - int result; - - ACPI_FUNCTION_TRACE("acpi_pcc_init"); - - printk(KERN_INFO LOGPREFIX "loading...\n"); - - if (acpi_disabled) { - printk(KERN_INFO LOGPREFIX "ACPI disabled.\n"); - return_VALUE(-ENODEV); - } - - result = acpi_bus_register_driver(&acpi_pcc_driver); - if (result < 0) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error registering hotkey driver\n")); - return_VALUE(-ENODEV); - } - - return_VALUE(result); -} - -static void __exit acpi_pcc_exit(void) -{ - ACPI_FUNCTION_TRACE("acpi_pcc_exit"); - - printk(KERN_INFO LOGPREFIX "unloading...\n"); - - acpi_bus_unregister_driver(&acpi_pcc_driver); - - return_VOID; -} - -module_init(acpi_pcc_init); -module_exit(acpi_pcc_exit); |