* 2004-08-09 0.1 initial release, support for X series
*/
-#include "thinkpad_acpi.h"
+/* ==================================================== BEGIN HEADER */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
+#include <linux/delay.h>
+
+#include <linux/nvram.h>
+#include <linux/proc_fs.h>
+#include <linux/sysfs.h>
+#include <linux/backlight.h>
+#include <linux/fb.h>
+#include <linux/platform_device.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/input.h>
+#include <asm/uaccess.h>
+
+#include <linux/dmi.h>
+#include <linux/jiffies.h>
+#include <linux/workqueue.h>
+
+#include <acpi/acpi_drivers.h>
+#include <acpi/acnamesp.h>
+
+#include <linux/pci_ids.h>
+
+/****************************************************************************
+ * Main driver
+ */
+
+#define IBM_NAME "thinkpad"
+#define IBM_DESC "ThinkPad ACPI Extras"
+#define IBM_FILE IBM_NAME "_acpi"
+#define IBM_URL "http://ibm-acpi.sf.net/"
+#define IBM_MAIL "ibm-acpi-devel@lists.sourceforge.net"
+
+#define IBM_PROC_DIR "ibm"
+#define IBM_ACPI_EVENT_PREFIX "ibm"
+#define IBM_DRVR_NAME IBM_FILE
+#define IBM_HWMON_DRVR_NAME IBM_NAME "_hwmon"
+
+#define IBM_LOG IBM_FILE ": "
+#define IBM_ERR KERN_ERR IBM_LOG
+#define IBM_NOTICE KERN_NOTICE IBM_LOG
+#define IBM_INFO KERN_INFO IBM_LOG
+#define IBM_DEBUG KERN_DEBUG IBM_LOG
+
+#define IBM_MAX_ACPI_ARGS 3
+
+/* ThinkPad CMOS commands */
+#define TP_CMOS_VOLUME_DOWN 0
+#define TP_CMOS_VOLUME_UP 1
+#define TP_CMOS_VOLUME_MUTE 2
+#define TP_CMOS_BRIGHTNESS_UP 4
+#define TP_CMOS_BRIGHTNESS_DOWN 5
+
+/* NVRAM Addresses */
+enum tp_nvram_addr {
+ TP_NVRAM_ADDR_HK2 = 0x57,
+ TP_NVRAM_ADDR_THINKLIGHT = 0x58,
+ TP_NVRAM_ADDR_VIDEO = 0x59,
+ TP_NVRAM_ADDR_BRIGHTNESS = 0x5e,
+ TP_NVRAM_ADDR_MIXER = 0x60,
+};
+
+/* NVRAM bit masks */
+enum {
+ TP_NVRAM_MASK_HKT_THINKPAD = 0x08,
+ TP_NVRAM_MASK_HKT_ZOOM = 0x20,
+ TP_NVRAM_MASK_HKT_DISPLAY = 0x40,
+ TP_NVRAM_MASK_HKT_HIBERNATE = 0x80,
+ TP_NVRAM_MASK_THINKLIGHT = 0x10,
+ TP_NVRAM_MASK_HKT_DISPEXPND = 0x30,
+ TP_NVRAM_MASK_HKT_BRIGHTNESS = 0x20,
+ TP_NVRAM_MASK_LEVEL_BRIGHTNESS = 0x0f,
+ TP_NVRAM_POS_LEVEL_BRIGHTNESS = 0,
+ TP_NVRAM_MASK_MUTE = 0x40,
+ TP_NVRAM_MASK_HKT_VOLUME = 0x80,
+ TP_NVRAM_MASK_LEVEL_VOLUME = 0x0f,
+ TP_NVRAM_POS_LEVEL_VOLUME = 0,
+};
+
+#define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off")
+#define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled")
+#define strlencmp(a,b) (strncmp((a), (b), strlen(b)))
+
+/* Debugging */
+#define TPACPI_DBG_ALL 0xffff
+#define TPACPI_DBG_ALL 0xffff
+#define TPACPI_DBG_INIT 0x0001
+#define TPACPI_DBG_EXIT 0x0002
+#define dbg_printk(a_dbg_level, format, arg...) \
+ do { if (dbg_level & a_dbg_level) \
+ printk(IBM_DEBUG "%s: " format, __func__ , ## arg); } while (0)
+#ifdef CONFIG_THINKPAD_ACPI_DEBUG
+#define vdbg_printk(a_dbg_level, format, arg...) \
+ dbg_printk(a_dbg_level, format, ## arg)
+static const char *str_supported(int is_supported);
+#else
+#define vdbg_printk(a_dbg_level, format, arg...)
+#endif
+
+/* Input IDs */
+#define TPACPI_HKEY_INPUT_VENDOR PCI_VENDOR_ID_IBM
+#define TPACPI_HKEY_INPUT_PRODUCT 0x5054 /* "TP" */
+#define TPACPI_HKEY_INPUT_VERSION 0x4101
+
+/* ACPI HIDs */
+#define IBM_HKEY_HID "IBM0068"
+
+/* ACPI helpers */
+static int __must_check acpi_evalf(acpi_handle handle,
+ void *res, char *method, char *fmt, ...);
+static int __must_check acpi_ec_read(int i, u8 * p);
+static int __must_check acpi_ec_write(int i, u8 v);
+static int __must_check _sta(acpi_handle handle);
+
+/* ACPI handles */
+static acpi_handle root_handle; /* root namespace */
+static acpi_handle ec_handle; /* EC */
+static acpi_handle ecrd_handle, ecwr_handle; /* 570 EC access */
+static acpi_handle cmos_handle, hkey_handle; /* basic thinkpad handles */
+
+static void drv_acpi_handle_init(char *name,
+ acpi_handle *handle, acpi_handle parent,
+ char **paths, int num_paths, char **path);
+#define IBM_ACPIHANDLE_INIT(object) \
+ drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \
+ object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
+
+/* ThinkPad ACPI helpers */
+static int issue_thinkpad_cmos_command(int cmos_cmd);
+
+/* procfs support */
+static struct proc_dir_entry *proc_dir;
+
+/* procfs helpers */
+static int dispatch_procfs_read(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+static int dispatch_procfs_write(struct file *file,
+ const char __user * userbuf,
+ unsigned long count, void *data);
+static char *next_cmd(char **cmds);
+
+/* sysfs support */
+struct attribute_set {
+ unsigned int members, max_members;
+ struct attribute_group group;
+};
+
+static struct attribute_set *create_attr_set(unsigned int max_members,
+ const char* name);
+#define destroy_attr_set(_set) \
+ kfree(_set);
+static int add_to_attr_set(struct attribute_set* s, struct attribute *attr);
+static int add_many_to_attr_set(struct attribute_set* s,
+ struct attribute **attr,
+ unsigned int count);
+#define register_attr_set_with_sysfs(_attr_set, _kobj) \
+ sysfs_create_group(_kobj, &_attr_set->group)
+static void delete_attr_set(struct attribute_set* s, struct kobject *kobj);
+
+static int parse_strtoul(const char *buf, unsigned long max,
+ unsigned long *value);
+
+/* Device model */
+static struct platform_device *tpacpi_pdev;
+static struct platform_device *tpacpi_sensors_pdev;
+static struct device *tpacpi_hwmon;
+static struct platform_driver tpacpi_pdriver;
+static struct input_dev *tpacpi_inputdev;
+static int tpacpi_create_driver_attributes(struct device_driver *drv);
+static void tpacpi_remove_driver_attributes(struct device_driver *drv);
+
+/* Module */
+static int experimental;
+static u32 dbg_level;
+static int force_load;
+static unsigned int hotkey_report_mode;
+
+static int thinkpad_acpi_module_init(void);
+static void thinkpad_acpi_module_exit(void);
+
+
+/****************************************************************************
+ * Subdrivers
+ */
+
+struct ibm_struct;
+
+struct tp_acpi_drv_struct {
+ const struct acpi_device_id *hid;
+ struct acpi_driver *driver;
+
+ void (*notify) (struct ibm_struct *, u32);
+ acpi_handle *handle;
+ u32 type;
+ struct acpi_device *device;
+};
+
+struct ibm_struct {
+ char *name;
+
+ int (*read) (char *);
+ int (*write) (char *);
+ void (*exit) (void);
+ void (*resume) (void);
+
+ struct list_head all_drivers;
+
+ struct tp_acpi_drv_struct *acpi;
+
+ struct {
+ u8 acpi_driver_registered:1;
+ u8 acpi_notify_installed:1;
+ u8 proc_created:1;
+ u8 init_called:1;
+ u8 experimental:1;
+ } flags;
+};
+
+struct ibm_init_struct {
+ char param[32];
+
+ int (*init) (struct ibm_init_struct *);
+ struct ibm_struct *data;
+};
+
+static struct {
+#ifdef CONFIG_THINKPAD_ACPI_BAY
+ u32 bay_status:1;
+ u32 bay_eject:1;
+ u32 bay_status2:1;
+ u32 bay_eject2:1;
+#endif
+ u32 bluetooth:1;
+ u32 hotkey:1;
+ u32 hotkey_mask:1;
+ u32 hotkey_wlsw:1;
+ u32 light:1;
+ u32 light_status:1;
+ u32 bright_16levels:1;
+ u32 wan:1;
+ u32 fan_ctrl_status_undef:1;
+ u32 input_device_registered:1;
+ u32 platform_drv_registered:1;
+ u32 platform_drv_attrs_registered:1;
+ u32 sensors_pdrv_registered:1;
+ u32 sensors_pdrv_attrs_registered:1;
+ u32 sensors_pdev_attrs_registered:1;
+ u32 hotkey_poll_active:1;
+} tp_features;
+
+struct thinkpad_id_data {
+ unsigned int vendor; /* ThinkPad vendor:
+ * PCI_VENDOR_ID_IBM/PCI_VENDOR_ID_LENOVO */
+
+ char *bios_version_str; /* Something like 1ZET51WW (1.03z) */
+ char *ec_version_str; /* Something like 1ZHT51WW-1.04a */
+
+ u16 bios_model; /* Big Endian, TP-1Y = 0x5931, 0 = unknown */
+ u16 ec_model;
+
+ char *model_str;
+};
+
+static struct thinkpad_id_data thinkpad_id;
+
+static struct list_head tpacpi_all_drivers;
+
+static struct ibm_init_struct ibms_init[];
+static int set_ibm_param(const char *val, struct kernel_param *kp);
+static int ibm_init(struct ibm_init_struct *iibm);
+static void ibm_exit(struct ibm_struct *ibm);
+
+
+/*
+ * procfs master subdriver
+ */
+static int thinkpad_acpi_driver_init(struct ibm_init_struct *iibm);
+static int thinkpad_acpi_driver_read(char *p);
+
+
+/*
+ * Bay subdriver
+ */
+
+#ifdef CONFIG_THINKPAD_ACPI_BAY
+static acpi_handle bay_handle, bay_ej_handle;
+static acpi_handle bay2_handle, bay2_ej_handle;
+
+static int bay_init(struct ibm_init_struct *iibm);
+static void bay_notify(struct ibm_struct *ibm, u32 event);
+static int bay_read(char *p);
+static int bay_write(char *buf);
+#endif /* CONFIG_THINKPAD_ACPI_BAY */
+
+
+/*
+ * Beep subdriver
+ */
+
+static acpi_handle beep_handle;
+
+static int beep_read(char *p);
+static int beep_write(char *buf);
+
+
+/*
+ * Bluetooth subdriver
+ */
+
+enum {
+ /* ACPI GBDC/SBDC bits */
+ TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */
+ TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */
+ TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */
+};
+
+static int bluetooth_init(struct ibm_init_struct *iibm);
+static int bluetooth_get_radiosw(void);
+static int bluetooth_set_radiosw(int radio_on);
+static int bluetooth_read(char *p);
+static int bluetooth_write(char *buf);
+
+
+/*
+ * Brightness (backlight) subdriver
+ */
+
+#define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen"
+
+static struct backlight_device *ibm_backlight_device;
+static int brightness_offset = 0x31;
+static int brightness_mode;
+static unsigned int brightness_enable; /* 0 = no, 1 = yes, 2 = auto */
+
+static int brightness_init(struct ibm_init_struct *iibm);
+static void brightness_exit(void);
+static int brightness_get(struct backlight_device *bd);
+static int brightness_set(int value);
+static int brightness_update_status(struct backlight_device *bd);
+static int brightness_read(char *p);
+static int brightness_write(char *buf);
+
+
+/*
+ * CMOS subdriver
+ */
+
+static int cmos_read(char *p);
+static int cmos_write(char *buf);
+
+
+/*
+ * Dock subdriver
+ */
+
+#ifdef CONFIG_THINKPAD_ACPI_DOCK
+static acpi_handle pci_handle;
+static acpi_handle dock_handle;
+
+static void dock_notify(struct ibm_struct *ibm, u32 event);
+static int dock_read(char *p);
+static int dock_write(char *buf);
+#endif /* CONFIG_THINKPAD_ACPI_DOCK */
+
+
+/*
+ * EC dump subdriver
+ */
+
+static int ecdump_read(char *p) ;
+static int ecdump_write(char *buf);
+
+
+/*
+ * Fan subdriver
+ */
+
+enum { /* Fan control constants */
+ fan_status_offset = 0x2f, /* EC register 0x2f */
+ fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM)
+ * 0x84 must be read before 0x85 */
+
+ TP_EC_FAN_FULLSPEED = 0x40, /* EC fan mode: full speed */
+ TP_EC_FAN_AUTO = 0x80, /* EC fan mode: auto fan control */
+
+ TPACPI_FAN_LAST_LEVEL = 0x100, /* Use cached last-seen fan level */
+};
+
+enum fan_status_access_mode {
+ TPACPI_FAN_NONE = 0, /* No fan status or control */
+ TPACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */
+ TPACPI_FAN_RD_TPEC, /* Use ACPI EC regs 0x2f, 0x84-0x85 */
+};
+
+enum fan_control_access_mode {
+ TPACPI_FAN_WR_NONE = 0, /* No fan control */
+ TPACPI_FAN_WR_ACPI_SFAN, /* Use ACPI SFAN */
+ TPACPI_FAN_WR_TPEC, /* Use ACPI EC reg 0x2f */
+ TPACPI_FAN_WR_ACPI_FANS, /* Use ACPI FANS and EC reg 0x2f */
+};
+
+enum fan_control_commands {
+ TPACPI_FAN_CMD_SPEED = 0x0001, /* speed command */
+ TPACPI_FAN_CMD_LEVEL = 0x0002, /* level command */
+ TPACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd,
+ * and also watchdog cmd */
+};
+
+static int fan_control_allowed;
+
+static enum fan_status_access_mode fan_status_access_mode;
+static enum fan_control_access_mode fan_control_access_mode;
+static enum fan_control_commands fan_control_commands;
+static u8 fan_control_initial_status;
+static u8 fan_control_desired_level;
+static int fan_watchdog_maxinterval;
+
+static struct mutex fan_mutex;
+
+static acpi_handle fans_handle, gfan_handle, sfan_handle;
+
+static int fan_init(struct ibm_init_struct *iibm);
+static void fan_exit(void);
+static int fan_get_status(u8 *status);
+static int fan_get_status_safe(u8 *status);
+static int fan_get_speed(unsigned int *speed);
+static void fan_update_desired_level(u8 status);
+static void fan_watchdog_fire(struct work_struct *ignored);
+static void fan_watchdog_reset(void);
+static int fan_set_level(int level);
+static int fan_set_level_safe(int level);
+static int fan_set_enable(void);
+static int fan_set_disable(void);
+static int fan_set_speed(int speed);
+static int fan_read(char *p);
+static int fan_write(char *buf);
+static int fan_write_cmd_level(const char *cmd, int *rc);
+static int fan_write_cmd_enable(const char *cmd, int *rc);
+static int fan_write_cmd_disable(const char *cmd, int *rc);
+static int fan_write_cmd_speed(const char *cmd, int *rc);
+static int fan_write_cmd_watchdog(const char *cmd, int *rc);
+
+
+/*
+ * Hotkey subdriver
+ */
+
+enum { /* hot key scan codes (derived from ACPI DSDT) */
+ TP_ACPI_HOTKEYSCAN_FNF1 = 0,
+ TP_ACPI_HOTKEYSCAN_FNF2,
+ TP_ACPI_HOTKEYSCAN_FNF3,
+ TP_ACPI_HOTKEYSCAN_FNF4,
+ TP_ACPI_HOTKEYSCAN_FNF5,
+ TP_ACPI_HOTKEYSCAN_FNF6,
+ TP_ACPI_HOTKEYSCAN_FNF7,
+ TP_ACPI_HOTKEYSCAN_FNF8,
+ TP_ACPI_HOTKEYSCAN_FNF9,
+ TP_ACPI_HOTKEYSCAN_FNF10,
+ TP_ACPI_HOTKEYSCAN_FNF11,
+ TP_ACPI_HOTKEYSCAN_FNF12,
+ TP_ACPI_HOTKEYSCAN_FNBACKSPACE,
+ TP_ACPI_HOTKEYSCAN_FNINSERT,
+ TP_ACPI_HOTKEYSCAN_FNDELETE,
+ TP_ACPI_HOTKEYSCAN_FNHOME,
+ TP_ACPI_HOTKEYSCAN_FNEND,
+ TP_ACPI_HOTKEYSCAN_FNPAGEUP,
+ TP_ACPI_HOTKEYSCAN_FNPAGEDOWN,
+ TP_ACPI_HOTKEYSCAN_FNSPACE,
+ TP_ACPI_HOTKEYSCAN_VOLUMEUP,
+ TP_ACPI_HOTKEYSCAN_VOLUMEDOWN,
+ TP_ACPI_HOTKEYSCAN_MUTE,
+ TP_ACPI_HOTKEYSCAN_THINKPAD,
+};
+
+static int hotkey_orig_status;
+static u32 hotkey_orig_mask;
+
+static struct mutex hotkey_mutex;
+
+static int hotkey_init(struct ibm_init_struct *iibm);
+static void hotkey_exit(void);
+static void hotkey_notify(struct ibm_struct *ibm, u32 event);
+static int hotkey_read(char *p);
+static int hotkey_write(char *buf);
+
+
+/*
+ * LED subdriver
+ */
+
+enum led_access_mode {
+ TPACPI_LED_NONE = 0,
+ TPACPI_LED_570, /* 570 */
+ TPACPI_LED_OLD, /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
+ TPACPI_LED_NEW, /* all others */
+};
+
+enum { /* For TPACPI_LED_OLD */
+ TPACPI_LED_EC_HLCL = 0x0c, /* EC reg to get led to power on */
+ TPACPI_LED_EC_HLBL = 0x0d, /* EC reg to blink a lit led */
+ TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */
+};
+
+static enum led_access_mode led_supported;
+static acpi_handle led_handle;
+
+static int led_init(struct ibm_init_struct *iibm);
+static int led_read(char *p);
+static int led_write(char *buf);
+
+/*
+ * Light (thinklight) subdriver
+ */
+
+static acpi_handle lght_handle, ledb_handle;
+
+static int light_init(struct ibm_init_struct *iibm);
+static int light_read(char *p);
+static int light_write(char *buf);
+
+
+/*
+ * Thermal subdriver
+ */
+
+enum thermal_access_mode {
+ TPACPI_THERMAL_NONE = 0, /* No thermal support */
+ TPACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */
+ TPACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */
+ TPACPI_THERMAL_TPEC_8, /* Use ACPI EC regs, 8 sensors */
+ TPACPI_THERMAL_TPEC_16, /* Use ACPI EC regs, 16 sensors */
+};
+
+enum { /* TPACPI_THERMAL_TPEC_* */
+ TP_EC_THERMAL_TMP0 = 0x78, /* ACPI EC regs TMP 0..7 */
+ TP_EC_THERMAL_TMP8 = 0xC0, /* ACPI EC regs TMP 8..15 */
+ TP_EC_THERMAL_TMP_NA = -128, /* ACPI EC sensor not available */
+};
+
+#define TPACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */
+struct ibm_thermal_sensors_struct {
+ s32 temp[TPACPI_MAX_THERMAL_SENSORS];
+};
+
+static enum thermal_access_mode thermal_read_mode;
+
+static int thermal_init(struct ibm_init_struct *iibm);
+static int thermal_get_sensor(int idx, s32 *value);
+static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s);
+static int thermal_read(char *p);
+
+
+/*
+ * Video subdriver
+ */
+
+enum video_access_mode {
+ TPACPI_VIDEO_NONE = 0,
+ TPACPI_VIDEO_570, /* 570 */
+ TPACPI_VIDEO_770, /* 600e/x, 770e, 770x */
+ TPACPI_VIDEO_NEW, /* all others */
+};
+
+enum { /* video status flags, based on VIDEO_570 */
+ TP_ACPI_VIDEO_S_LCD = 0x01, /* LCD output enabled */
+ TP_ACPI_VIDEO_S_CRT = 0x02, /* CRT output enabled */
+ TP_ACPI_VIDEO_S_DVI = 0x08, /* DVI output enabled */
+};
+
+enum { /* TPACPI_VIDEO_570 constants */
+ TP_ACPI_VIDEO_570_PHSCMD = 0x87, /* unknown magic constant :( */
+ TP_ACPI_VIDEO_570_PHSMASK = 0x03, /* PHS bits that map to
+ * video_status_flags */
+ TP_ACPI_VIDEO_570_PHS2CMD = 0x8b, /* unknown magic constant :( */
+ TP_ACPI_VIDEO_570_PHS2SET = 0x80, /* unknown magic constant :( */
+};
+
+static enum video_access_mode video_supported;
+static int video_orig_autosw;
+static acpi_handle vid_handle, vid2_handle;
+
+static int video_init(struct ibm_init_struct *iibm);
+static void video_exit(void);
+static int video_outputsw_get(void);
+static int video_outputsw_set(int status);
+static int video_autosw_get(void);
+static int video_autosw_set(int enable);
+static int video_outputsw_cycle(void);
+static int video_expand_toggle(void);
+static int video_read(char *p);
+static int video_write(char *buf);
+
+
+/*
+ * Volume subdriver
+ */
+
+static int volume_offset = 0x30;
+
+static int volume_read(char *p);
+static int volume_write(char *buf);
+
+
+/*
+ * Wan subdriver
+ */
+
+enum {
+ /* ACPI GWAN/SWAN bits */
+ TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */
+ TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */
+ TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */
+};
+
+static int wan_init(struct ibm_init_struct *iibm);
+static int wan_get_radiosw(void);
+static int wan_set_radiosw(int radio_on);
+static int wan_read(char *p);
+static int wan_write(char *buf);
+
+/* ==================================================== END HEADER */
MODULE_AUTHOR("Borislav Deianov, Henrique de Moraes Holschuh");
MODULE_DESCRIPTION(IBM_DESC);
+++ /dev/null
-/*
- * thinkpad_acpi.h - ThinkPad ACPI Extras
- *
- *
- * Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net>
- * Copyright (C) 2006-2007 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#ifndef __THINKPAD_ACPI_H__
-#define __THINKPAD_ACPI_H__
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/kthread.h>
-#include <linux/freezer.h>
-#include <linux/delay.h>
-
-#include <linux/nvram.h>
-#include <linux/proc_fs.h>
-#include <linux/sysfs.h>
-#include <linux/backlight.h>
-#include <linux/fb.h>
-#include <linux/platform_device.h>
-#include <linux/hwmon.h>
-#include <linux/hwmon-sysfs.h>
-#include <linux/input.h>
-#include <asm/uaccess.h>
-
-#include <linux/dmi.h>
-#include <linux/jiffies.h>
-#include <linux/workqueue.h>
-
-#include <acpi/acpi_drivers.h>
-#include <acpi/acnamesp.h>
-
-#include <linux/pci_ids.h>
-
-/****************************************************************************
- * Main driver
- */
-
-#define IBM_NAME "thinkpad"
-#define IBM_DESC "ThinkPad ACPI Extras"
-#define IBM_FILE IBM_NAME "_acpi"
-#define IBM_URL "http://ibm-acpi.sf.net/"
-#define IBM_MAIL "ibm-acpi-devel@lists.sourceforge.net"
-
-#define IBM_PROC_DIR "ibm"
-#define IBM_ACPI_EVENT_PREFIX "ibm"
-#define IBM_DRVR_NAME IBM_FILE
-#define IBM_HWMON_DRVR_NAME IBM_NAME "_hwmon"
-
-#define IBM_LOG IBM_FILE ": "
-#define IBM_ERR KERN_ERR IBM_LOG
-#define IBM_NOTICE KERN_NOTICE IBM_LOG
-#define IBM_INFO KERN_INFO IBM_LOG
-#define IBM_DEBUG KERN_DEBUG IBM_LOG
-
-#define IBM_MAX_ACPI_ARGS 3
-
-/* ThinkPad CMOS commands */
-#define TP_CMOS_VOLUME_DOWN 0
-#define TP_CMOS_VOLUME_UP 1
-#define TP_CMOS_VOLUME_MUTE 2
-#define TP_CMOS_BRIGHTNESS_UP 4
-#define TP_CMOS_BRIGHTNESS_DOWN 5
-
-/* NVRAM Addresses */
-enum tp_nvram_addr {
- TP_NVRAM_ADDR_HK2 = 0x57,
- TP_NVRAM_ADDR_THINKLIGHT = 0x58,
- TP_NVRAM_ADDR_VIDEO = 0x59,
- TP_NVRAM_ADDR_BRIGHTNESS = 0x5e,
- TP_NVRAM_ADDR_MIXER = 0x60,
-};
-
-/* NVRAM bit masks */
-enum {
- TP_NVRAM_MASK_HKT_THINKPAD = 0x08,
- TP_NVRAM_MASK_HKT_ZOOM = 0x20,
- TP_NVRAM_MASK_HKT_DISPLAY = 0x40,
- TP_NVRAM_MASK_HKT_HIBERNATE = 0x80,
- TP_NVRAM_MASK_THINKLIGHT = 0x10,
- TP_NVRAM_MASK_HKT_DISPEXPND = 0x30,
- TP_NVRAM_MASK_HKT_BRIGHTNESS = 0x20,
- TP_NVRAM_MASK_LEVEL_BRIGHTNESS = 0x0f,
- TP_NVRAM_POS_LEVEL_BRIGHTNESS = 0,
- TP_NVRAM_MASK_MUTE = 0x40,
- TP_NVRAM_MASK_HKT_VOLUME = 0x80,
- TP_NVRAM_MASK_LEVEL_VOLUME = 0x0f,
- TP_NVRAM_POS_LEVEL_VOLUME = 0,
-};
-
-#define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off")
-#define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled")
-#define strlencmp(a,b) (strncmp((a), (b), strlen(b)))
-
-/* Debugging */
-#define TPACPI_DBG_ALL 0xffff
-#define TPACPI_DBG_ALL 0xffff
-#define TPACPI_DBG_INIT 0x0001
-#define TPACPI_DBG_EXIT 0x0002
-#define dbg_printk(a_dbg_level, format, arg...) \
- do { if (dbg_level & a_dbg_level) \
- printk(IBM_DEBUG "%s: " format, __func__ , ## arg); } while (0)
-#ifdef CONFIG_THINKPAD_ACPI_DEBUG
-#define vdbg_printk(a_dbg_level, format, arg...) \
- dbg_printk(a_dbg_level, format, ## arg)
-static const char *str_supported(int is_supported);
-#else
-#define vdbg_printk(a_dbg_level, format, arg...)
-#endif
-
-/* Input IDs */
-#define TPACPI_HKEY_INPUT_VENDOR PCI_VENDOR_ID_IBM
-#define TPACPI_HKEY_INPUT_PRODUCT 0x5054 /* "TP" */
-#define TPACPI_HKEY_INPUT_VERSION 0x4101
-
-/* ACPI HIDs */
-#define IBM_HKEY_HID "IBM0068"
-
-/* ACPI helpers */
-static int __must_check acpi_evalf(acpi_handle handle,
- void *res, char *method, char *fmt, ...);
-static int __must_check acpi_ec_read(int i, u8 * p);
-static int __must_check acpi_ec_write(int i, u8 v);
-static int __must_check _sta(acpi_handle handle);
-
-/* ACPI handles */
-static acpi_handle root_handle; /* root namespace */
-static acpi_handle ec_handle; /* EC */
-static acpi_handle ecrd_handle, ecwr_handle; /* 570 EC access */
-static acpi_handle cmos_handle, hkey_handle; /* basic thinkpad handles */
-
-static void drv_acpi_handle_init(char *name,
- acpi_handle *handle, acpi_handle parent,
- char **paths, int num_paths, char **path);
-#define IBM_ACPIHANDLE_INIT(object) \
- drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \
- object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
-
-/* ThinkPad ACPI helpers */
-static int issue_thinkpad_cmos_command(int cmos_cmd);
-
-/* procfs support */
-static struct proc_dir_entry *proc_dir;
-
-/* procfs helpers */
-static int dispatch_procfs_read(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int dispatch_procfs_write(struct file *file,
- const char __user * userbuf,
- unsigned long count, void *data);
-static char *next_cmd(char **cmds);
-
-/* sysfs support */
-struct attribute_set {
- unsigned int members, max_members;
- struct attribute_group group;
-};
-
-static struct attribute_set *create_attr_set(unsigned int max_members,
- const char* name);
-#define destroy_attr_set(_set) \
- kfree(_set);
-static int add_to_attr_set(struct attribute_set* s, struct attribute *attr);
-static int add_many_to_attr_set(struct attribute_set* s,
- struct attribute **attr,
- unsigned int count);
-#define register_attr_set_with_sysfs(_attr_set, _kobj) \
- sysfs_create_group(_kobj, &_attr_set->group)
-static void delete_attr_set(struct attribute_set* s, struct kobject *kobj);
-
-static int parse_strtoul(const char *buf, unsigned long max,
- unsigned long *value);
-
-/* Device model */
-static struct platform_device *tpacpi_pdev;
-static struct platform_device *tpacpi_sensors_pdev;
-static struct device *tpacpi_hwmon;
-static struct platform_driver tpacpi_pdriver;
-static struct input_dev *tpacpi_inputdev;
-static int tpacpi_create_driver_attributes(struct device_driver *drv);
-static void tpacpi_remove_driver_attributes(struct device_driver *drv);
-
-/* Module */
-static int experimental;
-static u32 dbg_level;
-static int force_load;
-static unsigned int hotkey_report_mode;
-
-static int thinkpad_acpi_module_init(void);
-static void thinkpad_acpi_module_exit(void);
-
-
-/****************************************************************************
- * Subdrivers
- */
-
-struct ibm_struct;
-
-struct tp_acpi_drv_struct {
- const struct acpi_device_id *hid;
- struct acpi_driver *driver;
-
- void (*notify) (struct ibm_struct *, u32);
- acpi_handle *handle;
- u32 type;
- struct acpi_device *device;
-};
-
-struct ibm_struct {
- char *name;
-
- int (*read) (char *);
- int (*write) (char *);
- void (*exit) (void);
- void (*resume) (void);
-
- struct list_head all_drivers;
-
- struct tp_acpi_drv_struct *acpi;
-
- struct {
- u8 acpi_driver_registered:1;
- u8 acpi_notify_installed:1;
- u8 proc_created:1;
- u8 init_called:1;
- u8 experimental:1;
- } flags;
-};
-
-struct ibm_init_struct {
- char param[32];
-
- int (*init) (struct ibm_init_struct *);
- struct ibm_struct *data;
-};
-
-static struct {
-#ifdef CONFIG_THINKPAD_ACPI_BAY
- u32 bay_status:1;
- u32 bay_eject:1;
- u32 bay_status2:1;
- u32 bay_eject2:1;
-#endif
- u32 bluetooth:1;
- u32 hotkey:1;
- u32 hotkey_mask:1;
- u32 hotkey_wlsw:1;
- u32 light:1;
- u32 light_status:1;
- u32 bright_16levels:1;
- u32 wan:1;
- u32 fan_ctrl_status_undef:1;
- u32 input_device_registered:1;
- u32 platform_drv_registered:1;
- u32 platform_drv_attrs_registered:1;
- u32 sensors_pdrv_registered:1;
- u32 sensors_pdrv_attrs_registered:1;
- u32 sensors_pdev_attrs_registered:1;
- u32 hotkey_poll_active:1;
-} tp_features;
-
-struct thinkpad_id_data {
- unsigned int vendor; /* ThinkPad vendor:
- * PCI_VENDOR_ID_IBM/PCI_VENDOR_ID_LENOVO */
-
- char *bios_version_str; /* Something like 1ZET51WW (1.03z) */
- char *ec_version_str; /* Something like 1ZHT51WW-1.04a */
-
- u16 bios_model; /* Big Endian, TP-1Y = 0x5931, 0 = unknown */
- u16 ec_model;
-
- char *model_str;
-};
-
-static struct thinkpad_id_data thinkpad_id;
-
-static struct list_head tpacpi_all_drivers;
-
-static struct ibm_init_struct ibms_init[];
-static int set_ibm_param(const char *val, struct kernel_param *kp);
-static int ibm_init(struct ibm_init_struct *iibm);
-static void ibm_exit(struct ibm_struct *ibm);
-
-
-/*
- * procfs master subdriver
- */
-static int thinkpad_acpi_driver_init(struct ibm_init_struct *iibm);
-static int thinkpad_acpi_driver_read(char *p);
-
-
-/*
- * Bay subdriver
- */
-
-#ifdef CONFIG_THINKPAD_ACPI_BAY
-static acpi_handle bay_handle, bay_ej_handle;
-static acpi_handle bay2_handle, bay2_ej_handle;
-
-static int bay_init(struct ibm_init_struct *iibm);
-static void bay_notify(struct ibm_struct *ibm, u32 event);
-static int bay_read(char *p);
-static int bay_write(char *buf);
-#endif /* CONFIG_THINKPAD_ACPI_BAY */
-
-
-/*
- * Beep subdriver
- */
-
-static acpi_handle beep_handle;
-
-static int beep_read(char *p);
-static int beep_write(char *buf);
-
-
-/*
- * Bluetooth subdriver
- */
-
-enum {
- /* ACPI GBDC/SBDC bits */
- TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */
- TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */
- TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */
-};
-
-static int bluetooth_init(struct ibm_init_struct *iibm);
-static int bluetooth_get_radiosw(void);
-static int bluetooth_set_radiosw(int radio_on);
-static int bluetooth_read(char *p);
-static int bluetooth_write(char *buf);
-
-
-/*
- * Brightness (backlight) subdriver
- */
-
-#define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen"
-
-static struct backlight_device *ibm_backlight_device;
-static int brightness_offset = 0x31;
-static int brightness_mode;
-static unsigned int brightness_enable; /* 0 = no, 1 = yes, 2 = auto */
-
-static int brightness_init(struct ibm_init_struct *iibm);
-static void brightness_exit(void);
-static int brightness_get(struct backlight_device *bd);
-static int brightness_set(int value);
-static int brightness_update_status(struct backlight_device *bd);
-static int brightness_read(char *p);
-static int brightness_write(char *buf);
-
-
-/*
- * CMOS subdriver
- */
-
-static int cmos_read(char *p);
-static int cmos_write(char *buf);
-
-
-/*
- * Dock subdriver
- */
-
-#ifdef CONFIG_THINKPAD_ACPI_DOCK
-static acpi_handle pci_handle;
-static acpi_handle dock_handle;
-
-static void dock_notify(struct ibm_struct *ibm, u32 event);
-static int dock_read(char *p);
-static int dock_write(char *buf);
-#endif /* CONFIG_THINKPAD_ACPI_DOCK */
-
-
-/*
- * EC dump subdriver
- */
-
-static int ecdump_read(char *p) ;
-static int ecdump_write(char *buf);
-
-
-/*
- * Fan subdriver
- */
-
-enum { /* Fan control constants */
- fan_status_offset = 0x2f, /* EC register 0x2f */
- fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM)
- * 0x84 must be read before 0x85 */
-
- TP_EC_FAN_FULLSPEED = 0x40, /* EC fan mode: full speed */
- TP_EC_FAN_AUTO = 0x80, /* EC fan mode: auto fan control */
-
- TPACPI_FAN_LAST_LEVEL = 0x100, /* Use cached last-seen fan level */
-};
-
-enum fan_status_access_mode {
- TPACPI_FAN_NONE = 0, /* No fan status or control */
- TPACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */
- TPACPI_FAN_RD_TPEC, /* Use ACPI EC regs 0x2f, 0x84-0x85 */
-};
-
-enum fan_control_access_mode {
- TPACPI_FAN_WR_NONE = 0, /* No fan control */
- TPACPI_FAN_WR_ACPI_SFAN, /* Use ACPI SFAN */
- TPACPI_FAN_WR_TPEC, /* Use ACPI EC reg 0x2f */
- TPACPI_FAN_WR_ACPI_FANS, /* Use ACPI FANS and EC reg 0x2f */
-};
-
-enum fan_control_commands {
- TPACPI_FAN_CMD_SPEED = 0x0001, /* speed command */
- TPACPI_FAN_CMD_LEVEL = 0x0002, /* level command */
- TPACPI_FAN_CMD_ENABLE = 0x0004, /* enable/disable cmd,
- * and also watchdog cmd */
-};
-
-static int fan_control_allowed;
-
-static enum fan_status_access_mode fan_status_access_mode;
-static enum fan_control_access_mode fan_control_access_mode;
-static enum fan_control_commands fan_control_commands;
-static u8 fan_control_initial_status;
-static u8 fan_control_desired_level;
-static int fan_watchdog_maxinterval;
-
-static struct mutex fan_mutex;
-
-static acpi_handle fans_handle, gfan_handle, sfan_handle;
-
-static int fan_init(struct ibm_init_struct *iibm);
-static void fan_exit(void);
-static int fan_get_status(u8 *status);
-static int fan_get_status_safe(u8 *status);
-static int fan_get_speed(unsigned int *speed);
-static void fan_update_desired_level(u8 status);
-static void fan_watchdog_fire(struct work_struct *ignored);
-static void fan_watchdog_reset(void);
-static int fan_set_level(int level);
-static int fan_set_level_safe(int level);
-static int fan_set_enable(void);
-static int fan_set_disable(void);
-static int fan_set_speed(int speed);
-static int fan_read(char *p);
-static int fan_write(char *buf);
-static int fan_write_cmd_level(const char *cmd, int *rc);
-static int fan_write_cmd_enable(const char *cmd, int *rc);
-static int fan_write_cmd_disable(const char *cmd, int *rc);
-static int fan_write_cmd_speed(const char *cmd, int *rc);
-static int fan_write_cmd_watchdog(const char *cmd, int *rc);
-
-
-/*
- * Hotkey subdriver
- */
-
-enum { /* hot key scan codes (derived from ACPI DSDT) */
- TP_ACPI_HOTKEYSCAN_FNF1 = 0,
- TP_ACPI_HOTKEYSCAN_FNF2,
- TP_ACPI_HOTKEYSCAN_FNF3,
- TP_ACPI_HOTKEYSCAN_FNF4,
- TP_ACPI_HOTKEYSCAN_FNF5,
- TP_ACPI_HOTKEYSCAN_FNF6,
- TP_ACPI_HOTKEYSCAN_FNF7,
- TP_ACPI_HOTKEYSCAN_FNF8,
- TP_ACPI_HOTKEYSCAN_FNF9,
- TP_ACPI_HOTKEYSCAN_FNF10,
- TP_ACPI_HOTKEYSCAN_FNF11,
- TP_ACPI_HOTKEYSCAN_FNF12,
- TP_ACPI_HOTKEYSCAN_FNBACKSPACE,
- TP_ACPI_HOTKEYSCAN_FNINSERT,
- TP_ACPI_HOTKEYSCAN_FNDELETE,
- TP_ACPI_HOTKEYSCAN_FNHOME,
- TP_ACPI_HOTKEYSCAN_FNEND,
- TP_ACPI_HOTKEYSCAN_FNPAGEUP,
- TP_ACPI_HOTKEYSCAN_FNPAGEDOWN,
- TP_ACPI_HOTKEYSCAN_FNSPACE,
- TP_ACPI_HOTKEYSCAN_VOLUMEUP,
- TP_ACPI_HOTKEYSCAN_VOLUMEDOWN,
- TP_ACPI_HOTKEYSCAN_MUTE,
- TP_ACPI_HOTKEYSCAN_THINKPAD,
-};
-
-static int hotkey_orig_status;
-static u32 hotkey_orig_mask;
-
-static struct mutex hotkey_mutex;
-
-static int hotkey_init(struct ibm_init_struct *iibm);
-static void hotkey_exit(void);
-static void hotkey_notify(struct ibm_struct *ibm, u32 event);
-static int hotkey_read(char *p);
-static int hotkey_write(char *buf);
-
-
-/*
- * LED subdriver
- */
-
-enum led_access_mode {
- TPACPI_LED_NONE = 0,
- TPACPI_LED_570, /* 570 */
- TPACPI_LED_OLD, /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
- TPACPI_LED_NEW, /* all others */
-};
-
-enum { /* For TPACPI_LED_OLD */
- TPACPI_LED_EC_HLCL = 0x0c, /* EC reg to get led to power on */
- TPACPI_LED_EC_HLBL = 0x0d, /* EC reg to blink a lit led */
- TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */
-};
-
-static enum led_access_mode led_supported;
-static acpi_handle led_handle;
-
-static int led_init(struct ibm_init_struct *iibm);
-static int led_read(char *p);
-static int led_write(char *buf);
-
-/*
- * Light (thinklight) subdriver
- */
-
-static acpi_handle lght_handle, ledb_handle;
-
-static int light_init(struct ibm_init_struct *iibm);
-static int light_read(char *p);
-static int light_write(char *buf);
-
-
-/*
- * Thermal subdriver
- */
-
-enum thermal_access_mode {
- TPACPI_THERMAL_NONE = 0, /* No thermal support */
- TPACPI_THERMAL_ACPI_TMP07, /* Use ACPI TMP0-7 */
- TPACPI_THERMAL_ACPI_UPDT, /* Use ACPI TMP0-7 with UPDT */
- TPACPI_THERMAL_TPEC_8, /* Use ACPI EC regs, 8 sensors */
- TPACPI_THERMAL_TPEC_16, /* Use ACPI EC regs, 16 sensors */
-};
-
-enum { /* TPACPI_THERMAL_TPEC_* */
- TP_EC_THERMAL_TMP0 = 0x78, /* ACPI EC regs TMP 0..7 */
- TP_EC_THERMAL_TMP8 = 0xC0, /* ACPI EC regs TMP 8..15 */
- TP_EC_THERMAL_TMP_NA = -128, /* ACPI EC sensor not available */
-};
-
-#define TPACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */
-struct ibm_thermal_sensors_struct {
- s32 temp[TPACPI_MAX_THERMAL_SENSORS];
-};
-
-static enum thermal_access_mode thermal_read_mode;
-
-static int thermal_init(struct ibm_init_struct *iibm);
-static int thermal_get_sensor(int idx, s32 *value);
-static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s);
-static int thermal_read(char *p);
-
-
-/*
- * Video subdriver
- */
-
-enum video_access_mode {
- TPACPI_VIDEO_NONE = 0,
- TPACPI_VIDEO_570, /* 570 */
- TPACPI_VIDEO_770, /* 600e/x, 770e, 770x */
- TPACPI_VIDEO_NEW, /* all others */
-};
-
-enum { /* video status flags, based on VIDEO_570 */
- TP_ACPI_VIDEO_S_LCD = 0x01, /* LCD output enabled */
- TP_ACPI_VIDEO_S_CRT = 0x02, /* CRT output enabled */
- TP_ACPI_VIDEO_S_DVI = 0x08, /* DVI output enabled */
-};
-
-enum { /* TPACPI_VIDEO_570 constants */
- TP_ACPI_VIDEO_570_PHSCMD = 0x87, /* unknown magic constant :( */
- TP_ACPI_VIDEO_570_PHSMASK = 0x03, /* PHS bits that map to
- * video_status_flags */
- TP_ACPI_VIDEO_570_PHS2CMD = 0x8b, /* unknown magic constant :( */
- TP_ACPI_VIDEO_570_PHS2SET = 0x80, /* unknown magic constant :( */
-};
-
-static enum video_access_mode video_supported;
-static int video_orig_autosw;
-static acpi_handle vid_handle, vid2_handle;
-
-static int video_init(struct ibm_init_struct *iibm);
-static void video_exit(void);
-static int video_outputsw_get(void);
-static int video_outputsw_set(int status);
-static int video_autosw_get(void);
-static int video_autosw_set(int enable);
-static int video_outputsw_cycle(void);
-static int video_expand_toggle(void);
-static int video_read(char *p);
-static int video_write(char *buf);
-
-
-/*
- * Volume subdriver
- */
-
-static int volume_offset = 0x30;
-
-static int volume_read(char *p);
-static int volume_write(char *buf);
-
-
-/*
- * Wan subdriver
- */
-
-enum {
- /* ACPI GWAN/SWAN bits */
- TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */
- TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */
- TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */
-};
-
-static int wan_init(struct ibm_init_struct *iibm);
-static int wan_get_radiosw(void);
-static int wan_set_radiosw(int radio_on);
-static int wan_read(char *p);
-static int wan_write(char *buf);
-
-
-#endif /* __THINKPAD_ACPI_H */
git.openpandora.org / pandora-kernel.git / commitdiff