ACPI: thinkpad-acpi: spring cleanup part 1

Remove the header file.  Private header files used by a single .c file are
in bad taste, and I know better now.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 631 insertions, 1 deletions

diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 11ee444261bc..59b127cff1ec 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -82,7 +82,637 @@
  *  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);