#include <linux/init.h>
#include <linux/types.h>
#include <linux/string.h>
+#include <linux/list.h>
+#include <linux/mutex.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 <acpi/acpi_drivers.h>
#include <acpi/acnamesp.h>
+#include <linux/pci_ids.h>
/****************************************************************************
* Main driver
#define IBM_DESC "ThinkPad ACPI Extras"
#define IBM_FILE "thinkpad_acpi"
#define IBM_URL "http://ibm-acpi.sf.net/"
+#define IBM_MAIL "ibm-acpi-devel@lists.sourceforge.net"
-#define IBM_DIR "ibm"
+#define IBM_PROC_DIR "ibm"
#define IBM_ACPI_EVENT_PREFIX "ibm"
+#define IBM_DRVR_NAME IBM_FILE
#define IBM_LOG IBM_FILE ": "
#define IBM_ERR KERN_ERR IBM_LOG
/* 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"
-#define IBM_PCI_HID "PNP0A03"
/* ACPI helpers */
-static int acpi_evalf(acpi_handle handle,
+static int __must_check acpi_evalf(acpi_handle handle,
void *res, char *method, char *fmt, ...);
-static int acpi_ec_read(int i, u8 * p);
-static int acpi_ec_write(int i, u8 v);
-static int _sta(acpi_handle handle);
+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 ecrd_handle, ecwr_handle; /* 570 EC access */
static acpi_handle cmos_handle, hkey_handle; /* basic thinkpad handles */
-static void ibm_handle_init(char *name,
- acpi_handle * handle, acpi_handle parent,
+static void drv_acpi_handle_init(char *name,
+ acpi_handle *handle, acpi_handle parent,
char **paths, int num_paths, char **path);
-#define IBM_HANDLE_INIT(object) \
- ibm_handle_init(#object, &object##_handle, *object##_parent, \
+#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;
-static int thinkpad_acpi_driver_init(void);
-static int thinkpad_acpi_driver_read(char *p);
/* procfs helpers */
-static int dispatch_read(char *page, char **start, off_t off, int count,
- int *eof, void *data);
-static int dispatch_write(struct file *file, const char __user * userbuf,
+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 class_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 char *ibm_thinkpad_ec_found;
static char* check_dmi_for_ec(void);
* Subdrivers
*/
-struct ibm_struct {
- char *name;
- char param[32];
+struct ibm_struct;
+struct tp_acpi_drv_struct {
char *hid;
struct acpi_driver *driver;
- int (*init) (void);
+ 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);
- void (*notify) (struct ibm_struct *, u32);
- acpi_handle *handle;
- int type;
- struct acpi_device *device;
+ 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;
+};
- int driver_registered;
- int proc_created;
- int init_called;
- int notify_installed;
+struct ibm_init_struct {
+ char param[32];
- int experimental;
+ int (*init) (struct ibm_init_struct *);
+ struct ibm_struct *data;
};
-static struct ibm_struct ibms[];
+static struct {
+#ifdef CONFIG_THINKPAD_ACPI_BAY
+ u16 bay_status:1;
+ u16 bay_eject:1;
+ u16 bay_status2:1;
+ u16 bay_eject2:1;
+#endif
+ u16 bluetooth:1;
+ u16 hotkey:1;
+ u16 hotkey_mask:1;
+ u16 hotkey_wlsw:1;
+ u16 light:1;
+ u16 light_status:1;
+ u16 wan:1;
+ u16 fan_ctrl_status_undef:1;
+ u16 input_device_registered:1;
+} tp_features;
+
+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_struct *ibm);
+static int ibm_init(struct ibm_init_struct *iibm);
static void ibm_exit(struct ibm_struct *ibm);
-/* ACPI devices */
-static void dispatch_notify(acpi_handle handle, u32 event, void *data);
-static int setup_notify(struct ibm_struct *ibm);
-static int ibm_device_add(struct acpi_device *device);
-static int register_tpacpi_subdriver(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);
/*
*/
#ifdef CONFIG_THINKPAD_ACPI_BAY
-static int bay_status_supported, bay_eject_supported;
-static int bay_status2_supported, bay_eject2_supported;
-
static acpi_handle bay_handle, bay_ej_handle;
static acpi_handle bay2_handle, bay2_ej_handle;
-static int bay_init(void);
+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);
* Bluetooth subdriver
*/
-static int bluetooth_supported;
+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(void);
-static int bluetooth_status(void);
+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_init(void);
+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);
* CMOS subdriver
*/
-static int cmos_eval(int cmos_cmd);
static int cmos_read(char *p);
static int cmos_write(char *buf);
* Dock subdriver
*/
-static acpi_handle pci_handle;
#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);
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 {
* 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 int fan_control_status_known;
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(void);
+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);
* Hotkey subdriver
*/
-static int hotkey_supported;
-static int hotkey_mask_supported;
static int hotkey_orig_status;
-static int hotkey_orig_mask;
+static u32 hotkey_orig_mask;
-static int hotkey_init(void);
+static struct mutex hotkey_mutex;
+
+static int hotkey_init(struct ibm_init_struct *iibm);
static void hotkey_exit(void);
-static int hotkey_get(int *status, int *mask);
-static int hotkey_set(int status, int mask);
+static int hotkey_get(int *status, u32 *mask);
+static int hotkey_set(int status, u32 mask);
static void hotkey_notify(struct ibm_struct *ibm, u32 event);
static int hotkey_read(char *p);
static int hotkey_write(char *buf);
static enum led_access_mode led_supported;
static acpi_handle led_handle;
-static int led_init(void);
+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 int light_supported;
-static int light_status_supported;
static acpi_handle lght_handle, ledb_handle;
-static int light_init(void);
+static int light_init(struct ibm_init_struct *iibm);
static int light_read(char *p);
static int light_write(char *buf);
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 int thermal_init(void);
+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);
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(void);
+static int video_init(struct ibm_init_struct *iibm);
static void video_exit(void);
-static int video_status(void);
-static int video_autosw(void);
-static int video_switch(void);
-static int video_switch2(int status);
-static int video_expand(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);
* Wan subdriver
*/
-static int wan_supported;
+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(void);
-static int wan_status(void);
+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);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff