Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (35 commits)
  Input: wistron - add support for Acer TravelMate 2424NWXCi
  Input: wistron - fix setting up special buttons
  Input: add KEY_BLUETOOTH and KEY_WLAN definitions
  Input: add new BUS_VIRTUAL bus type
  Input: add driver for stowaway serial keyboards
  Input: make input_register_handler() return error codes
  Input: remove cruft that was needed for transition to sysfs
  Input: fix input module refcounting
  Input: constify input core
  Input: libps2 - rearrange exports
  Input: atkbd - support Microsoft Natural Elite Pro keyboards
  Input: i8042 - disable MUX mode on Toshiba Equium A110
  Input: i8042 - get rid of polling timer
  Input: send key up events at disconnect
  Input: constify psmouse driver
  Input: i8042 - add Amoi to the MUX blacklist
  Input: logips2pp - add sugnature 56 (Cordless MouseMan Wheel), cleanup
  Input: add driver for Touchwin serial touchscreens
  Input: add driver for Touchright serial touchscreens
  Input: add driver for Penmount serial touchscreens
  ...

4 files changed, 223 insertions, 88 deletions

diff --git a/include/linux/input.h b/include/linux/input.h
index b3253ab72ff7..5770105471dd 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -349,6 +349,9 @@ struct input_absinfo {
 
 #define KEY_BATTERY             236
 
+#define KEY_BLUETOOTH           237
+#define KEY_WLAN                238
+
 #define KEY_UNKNOWN             240
 
 #define BTN_MISC                0x100
@@ -645,6 +648,7 @@ struct input_absinfo {
 #define BUS_USB                 0x03
 #define BUS_HIL                 0x04
 #define BUS_BLUETOOTH           0x05
+#define BUS_VIRTUAL             0x06
 
 #define BUS_ISA                 0x10
 #define BUS_I8042               0x11
@@ -667,98 +671,167 @@ struct input_absinfo {
 
 /*
  * Structures used in ioctls to upload effects to a device
- * The first structures are not passed directly by using ioctls.
- * They are sub-structures of the actually sent structure (called ff_effect)
+ * They are pieces of a bigger structure (called ff_effect)
+ */
+
+/*
+ * All duration values are expressed in ms. Values above 32767 ms (0x7fff)
+ * should not be used and have unspecified results.
  */
 
+/**
+ * struct ff_replay - defines scheduling of the effect
+ * @length: duration of the effect
+ * @delay: delay before effect should start playing
+ */
 struct ff_replay {
-        __u16 length; /* Duration of an effect in ms. All other times are also expressed in ms */
-        __u16 delay;  /* Time to wait before to start playing an effect */
+        __u16 length;
+        __u16 delay;
 };
 
+/**
+ * struct ff_trigger - defines what triggers the effect
+ * @button: number of the button triggering the effect
+ * @interval: controls how soon the effect can be re-triggered
+ */
 struct ff_trigger {
-        __u16 button;   /* Number of button triggering an effect */
-        __u16 interval; /* Time to wait before an effect can be re-triggered (ms) */
+        __u16 button;
+        __u16 interval;
 };
 
+/**
+ * struct ff_envelope - generic effect envelope
+ * @attack_length: duration of the attack (ms)
+ * @attack_level: level at the beginning of the attack
+ * @fade_length: duration of fade (ms)
+ * @fade_level: level at the end of fade
+ *
+ * The @attack_level and @fade_level are absolute values; when applying
+ * envelope force-feedback core will convert to positive/negative
+ * value based on polarity of the default level of the effect.
+ * Valid range for the attack and fade levels is 0x0000 - 0x7fff
+ */
 struct ff_envelope {
-        __u16 attack_length;    /* Duration of attack (ms) */
-        __u16 attack_level;     /* Level at beginning of attack */
-        __u16 fade_length;      /* Duration of fade (ms) */
-        __u16 fade_level;       /* Level at end of fade */
+        __u16 attack_length;
+        __u16 attack_level;
+        __u16 fade_length;
+        __u16 fade_level;
 };
 
-/* FF_CONSTANT */
+/**
+ * struct ff_constant_effect - defines parameters of a constant effect
+ * @level: strength of the effect; may be negative
+ * @envelope: envelope data
+ */
 struct ff_constant_effect {
-        __s16 level;        /* Strength of effect. Negative values are OK */
+        __s16 level;
         struct ff_envelope envelope;
 };
 
-/* FF_RAMP */
+/**
+ * struct ff_ramp_effect - defines parameters of a ramp effect
+ * @start_level: beginning strength of the effect; may be negative
+ * @end_level: final strength of the effect; may be negative
+ * @envelope: envelope data
+ */
 struct ff_ramp_effect {
         __s16 start_level;
         __s16 end_level;
         struct ff_envelope envelope;
 };
 
-/* FF_SPRING of FF_FRICTION */
+/**
+ * struct ff_condition_effect - defines a spring or friction effect
+ * @right_saturation: maximum level when joystick moved all way to the right
+ * @left_saturation: same for the left side
+ * @right_coeff: controls how fast the force grows when the joystick moves
+ *      to the right
+ * @left_coeff: same for the left side
+ * @deadband: size of the dead zone, where no force is produced
+ * @center: position of the dead zone
+ */
 struct ff_condition_effect {
-        __u16 right_saturation; /* Max level when joystick is on the right */
-        __u16 left_saturation;  /* Max level when joystick in on the left */
-
-        __s16 right_coeff;      /* Indicates how fast the force grows when the
-                                   joystick moves to the right */
-        __s16 left_coeff;       /* Same for left side */
+        __u16 right_saturation;
+        __u16 left_saturation;
 
-        __u16 deadband; /* Size of area where no force is produced */
-        __s16 center;   /* Position of dead zone */
+        __s16 right_coeff;
+        __s16 left_coeff;
 
+        __u16 deadband;
+        __s16 center;
 };
 
-/* FF_PERIODIC */
+/**
+ * struct ff_periodic_effect - defines parameters of a periodic effect
+ * @waveform: kind of the effect (wave)
+ * @period: period of the wave (ms)
+ * @magnitude: peak value
+ * @offset: mean value of the wave (roughly)
+ * @phase: 'horizontal' shift
+ * @envelope: envelope data
+ * @custom_len: number of samples (FF_CUSTOM only)
+ * @custom_data: buffer of samples (FF_CUSTOM only)
+ *
+ * Known waveforms - FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP,
+ * FF_SAW_DOWN, FF_CUSTOM. The exact syntax FF_CUSTOM is undefined
+ * for the time being as no driver supports it yet.
+ *
+ * Note: the data pointed by custom_data is copied by the driver.
+ * You can therefore dispose of the memory after the upload/update.
+ */
 struct ff_periodic_effect {
-        __u16 waveform; /* Kind of wave (sine, square...) */
-        __u16 period;   /* in ms */
-        __s16 magnitude;        /* Peak value */
-        __s16 offset;   /* Mean value of wave (roughly) */
-        __u16 phase;            /* 'Horizontal' shift */
+        __u16 waveform;
+        __u16 period;
+        __s16 magnitude;
+        __s16 offset;
+        __u16 phase;
 
         struct ff_envelope envelope;
 
-/* Only used if waveform == FF_CUSTOM */
-        __u32 custom_len;       /* Number of samples */
-        __s16 *custom_data;     /* Buffer of samples */
-/* Note: the data pointed by custom_data is copied by the driver. You can
- * therefore dispose of the memory after the upload/update */
+        __u32 custom_len;
+        __s16 *custom_data;
 };
 
-/* FF_RUMBLE */
-/* Some rumble pads have two motors of different weight.
-   strong_magnitude represents the magnitude of the vibration generated
-   by the heavy motor.
-*/
+/**
+ * struct ff_rumble_effect - defines parameters of a periodic effect
+ * @strong_magnitude: magnitude of the heavy motor
+ * @weak_magnitude: magnitude of the light one
+ *
+ * Some rumble pads have two motors of different weight. Strong_magnitude
+ * represents the magnitude of the vibration generated by the heavy one.
+ */
 struct ff_rumble_effect {
-        __u16 strong_magnitude;  /* Magnitude of the heavy motor */
-        __u16 weak_magnitude;    /* Magnitude of the light one */
+        __u16 strong_magnitude;
+        __u16 weak_magnitude;
 };
 
-/*
- * Structure sent through ioctl from the application to the driver
+/**
+ * struct ff_effect - defines force feedback effect
+ * @type: type of the effect (FF_CONSTANT, FF_PERIODIC, FF_RAMP, FF_SPRING,
+ *      FF_FRICTION, FF_DAMPER, FF_RUMBLE, FF_INERTIA, or FF_CUSTOM)
+ * @id: an unique id assigned to an effect
+ * @direction: direction of the effect
+ * @trigger: trigger conditions (struct ff_trigger)
+ * @replay: scheduling of the effect (struct ff_replay)
+ * @u: effect-specific structure (one of ff_constant_effect, ff_ramp_effect,
+ *      ff_periodic_effect, ff_condition_effect, ff_rumble_effect) further
+ *      defining effect parameters
+ *
+ * This structure is sent through ioctl from the application to the driver.
+ * To create a new effect aplication should set its @id to -1; the kernel
+ * will return assigned @id which can later be used to update or delete
+ * this effect.
+ *
+ * Direction of the effect is encoded as follows:
+ *      0 deg -> 0x0000 (down)
+ *      90 deg -> 0x4000 (left)
+ *      180 deg -> 0x8000 (up)
+ *      270 deg -> 0xC000 (right)
  */
 struct ff_effect {
         __u16 type;
-/* Following field denotes the unique id assigned to an effect.
- * If user sets if to -1, a new effect is created, and its id is returned in the same field
- * Else, the user sets it to the effect id it wants to update.
- */
         __s16 id;
-
-        __u16 direction;        /* Direction. 0 deg -> 0x0000 (down)
-                                             90 deg -> 0x4000 (left)
-                                            180 deg -> 0x8000 (up)
-                                            270 deg -> 0xC000 (right)
-                                */
-
+        __u16 direction;
         struct ff_trigger trigger;
         struct ff_replay replay;
 
@@ -784,6 +857,9 @@ struct ff_effect {
 #define FF_INERTIA      0x56
 #define FF_RAMP         0x57
 
+#define FF_EFFECT_MIN   FF_RUMBLE
+#define FF_EFFECT_MAX   FF_RAMP
+
 /*
  * Force feedback periodic effect types
  */
@@ -795,6 +871,9 @@ struct ff_effect {
 #define FF_SAW_DOWN     0x5c
 #define FF_CUSTOM       0x5d
 
+#define FF_WAVEFORM_MIN FF_SQUARE
+#define FF_WAVEFORM_MAX FF_CUSTOM
+
 /*
  * Set ff device properties
  */
@@ -864,12 +943,13 @@ struct input_dev {
         unsigned long sndbit[NBITS(SND_MAX)];
         unsigned long ffbit[NBITS(FF_MAX)];
         unsigned long swbit[NBITS(SW_MAX)];
-        int ff_effects_max;
 
         unsigned int keycodemax;
         unsigned int keycodesize;
         void *keycode;
 
+        struct ff_device *ff;
+
         unsigned int repeat_key;
         struct timer_list timer;
 
@@ -895,8 +975,6 @@ struct input_dev {
         void (*close)(struct input_dev *dev);
         int (*flush)(struct input_dev *dev, struct file *file);
         int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
-        int (*upload_effect)(struct input_dev *dev, struct ff_effect *effect);
-        int (*erase_effect)(struct input_dev *dev, int effect_id);
 
         struct input_handle *grab;
 
@@ -904,9 +982,6 @@ struct input_dev {
         unsigned int users;
 
         struct class_device cdev;
-        struct device *dev;     /* will be removed soon */
-
-        int dynalloc;   /* temporarily */
 
         struct list_head        h_list;
         struct list_head        node;
@@ -985,16 +1060,16 @@ struct input_handler {
         void *private;
 
         void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value);
-        struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id);
+        struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id);
         void (*disconnect)(struct input_handle *handle);
         void (*start)(struct input_handle *handle);
 
         const struct file_operations *fops;
         int minor;
-        char *name;
+        const char *name;
 
-        struct input_device_id *id_table;
-        struct input_device_id *blacklist;
+        const struct input_device_id *id_table;
+        const struct input_device_id *blacklist;
 
         struct list_head        h_list;
         struct list_head        node;
@@ -1005,7 +1080,7 @@ struct input_handle {
         void *private;
 
         int open;
-        char *name;
+        const char *name;
 
         struct input_dev *dev;
         struct input_handler *handler;
@@ -1019,12 +1094,6 @@ struct input_handle {
 #define to_handle(n) container_of(n,struct input_handle,d_node)
 #define to_handle_h(n) container_of(n,struct input_handle,h_node)
 
-static inline void init_input_dev(struct input_dev *dev)
-{
-        INIT_LIST_HEAD(&dev->h_list);
-        INIT_LIST_HEAD(&dev->node);
-}
-
 struct input_dev *input_allocate_device(void);
 void input_free_device(struct input_dev *dev);
 
@@ -1041,7 +1110,7 @@ static inline void input_put_device(struct input_dev *dev)
 int input_register_device(struct input_dev *);
 void input_unregister_device(struct input_dev *);
 
-void input_register_handler(struct input_handler *);
+int input_register_handler(struct input_handler *);
 void input_unregister_handler(struct input_handler *);
 
 int input_grab_device(struct input_handle *);
@@ -1070,11 +1139,6 @@ static inline void input_report_abs(struct input_dev *dev, unsigned int code, in
         input_event(dev, EV_ABS, code, value);
 }
 
-static inline void input_report_ff(struct input_dev *dev, unsigned int code, int value)
-{
-        input_event(dev, EV_FF, code, value);
-}
-
 static inline void input_report_ff_status(struct input_dev *dev, unsigned int code, int value)
 {
         input_event(dev, EV_FF_STATUS, code, value);
@@ -1108,5 +1172,61 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min
 
 extern struct class input_class;
 
+/**
+ * struct ff_device - force-feedback part of an input device
+ * @upload: Called to upload an new effect into device
+ * @erase: Called to erase an effect from device
+ * @playback: Called to request device to start playing specified effect
+ * @set_gain: Called to set specified gain
+ * @set_autocenter: Called to auto-center device
+ * @destroy: called by input core when parent input device is being
+ *      destroyed
+ * @private: driver-specific data, will be freed automatically
+ * @ffbit: bitmap of force feedback capabilities truly supported by
+ *      device (not emulated like ones in input_dev->ffbit)
+ * @mutex: mutex for serializing access to the device
+ * @max_effects: maximum number of effects supported by device
+ * @effects: pointer to an array of effects currently loaded into device
+ * @effect_owners: array of effect owners; when file handle owning
+ *      an effect gets closed the effcet is automatically erased
+ *
+ * Every force-feedback device must implement upload() and playback()
+ * methods; erase() is optional. set_gain() and set_autocenter() need
+ * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER
+ * bits.
+ */
+struct ff_device {
+        int (*upload)(struct input_dev *dev, struct ff_effect *effect,
+                      struct ff_effect *old);
+        int (*erase)(struct input_dev *dev, int effect_id);
+
+        int (*playback)(struct input_dev *dev, int effect_id, int value);
+        void (*set_gain)(struct input_dev *dev, u16 gain);
+        void (*set_autocenter)(struct input_dev *dev, u16 magnitude);
+
+        void (*destroy)(struct ff_device *);
+
+        void *private;
+
+        unsigned long ffbit[NBITS(FF_MAX)];
+
+        struct mutex mutex;
+
+        int max_effects;
+        struct ff_effect *effects;
+        struct file *effect_owners[];
+};
+
+int input_ff_create(struct input_dev *dev, int max_effects);
+void input_ff_destroy(struct input_dev *dev);
+
+int input_ff_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
+
+int input_ff_upload(struct input_dev *dev, struct ff_effect *effect, struct file *file);
+int input_ff_erase(struct input_dev *dev, int effect_id, struct file *file);
+
+int input_ff_create_memless(struct input_dev *dev, void *data,
+                int (*play_effect)(struct input_dev *, void *, struct ff_effect *));
+
 #endif
 #endif
diff --git a/include/linux/libps2.h b/include/linux/libps2.h
index 08a450a9dbf7..f6f301e2b0f5 100644
--- a/include/linux/libps2.h
+++ b/include/linux/libps2.h
@@ -47,5 +47,6 @@ int ps2_schedule_command(struct ps2dev *ps2dev, unsigned char *param, int comman
 int ps2_handle_ack(struct ps2dev *ps2dev, unsigned char data);
 int ps2_handle_response(struct ps2dev *ps2dev, unsigned char data);
 void ps2_cmd_aborted(struct ps2dev *ps2dev);
+int ps2_is_keyboard_id(char id);
 
 #endif /* _LIBPS2_H */
diff --git a/include/linux/serio.h b/include/linux/serio.h
index 6348e8330897..c9069310b6ac 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -217,5 +217,8 @@ static inline void serio_unpin_driver(struct serio *serio)
 #define SERIO_LKKBD     0x28
 #define SERIO_ELO       0x29
 #define SERIO_MICROTOUCH        0x30
+#define SERIO_PENMOUNT  0x31
+#define SERIO_TOUCHRIGHT        0x32
+#define SERIO_TOUCHWIN  0x33
 
 #endif
diff --git a/include/linux/uinput.h b/include/linux/uinput.h
index 7168302f9844..1fd61eeed664 100644
--- a/include/linux/uinput.h
+++ b/include/linux/uinput.h
@@ -22,12 +22,18 @@
  * Author: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
  *
  * Changes/Revisions:
+ *      0.3     24/05/2006 (Anssi Hannula <anssi.hannulagmail.com>)
+ *              - update ff support for the changes in kernel interface
+ *              - add UINPUT_VERSION
  *      0.2     16/10/2004 (Micah Dowty <micah@navi.cx>)
  *              - added force feedback support
  *             - added UI_SET_PHYS
  *      0.1     20/06/2002
  *              - first public version
  */
+
+#define UINPUT_VERSION          3
+
 #ifdef __KERNEL__
 #define UINPUT_MINOR            223
 #define UINPUT_NAME             "uinput"
@@ -45,7 +51,10 @@ struct uinput_request {
 
         union {
                 int             effect_id;
-                struct ff_effect* effect;
+                struct {
+                        struct ff_effect *effect;
+                        struct ff_effect *old;
+                } upload;
         } u;
 };
 
@@ -58,6 +67,7 @@ struct uinput_device {
         unsigned char           head;
         unsigned char           tail;
         struct input_event      buff[UINPUT_BUFFER_SIZE];
+        int                     ff_effects_max;
 
         struct uinput_request   *requests[UINPUT_NUM_REQUESTS];
         wait_queue_head_t       requests_waitq;
@@ -69,6 +79,7 @@ struct uinput_ff_upload {
         int                     request_id;
         int                     retval;
         struct ff_effect        effect;
+        struct ff_effect        old;
 };
 
 struct uinput_ff_erase {
@@ -98,33 +109,33 @@ struct uinput_ff_erase {
 #define UI_BEGIN_FF_ERASE       _IOWR(UINPUT_IOCTL_BASE, 202, struct uinput_ff_erase)
 #define UI_END_FF_ERASE         _IOW(UINPUT_IOCTL_BASE, 203, struct uinput_ff_erase)
 
-/* To write a force-feedback-capable driver, the upload_effect
+/*
+ * To write a force-feedback-capable driver, the upload_effect
  * and erase_effect callbacks in input_dev must be implemented.
  * The uinput driver will generate a fake input event when one of
  * these callbacks are invoked. The userspace code then uses
  * ioctls to retrieve additional parameters and send the return code.
  * The callback blocks until this return code is sent.
  *
- * The described callback mechanism is only used if EV_FF is set.
- * Otherwise, default implementations of upload_effect and erase_effect
- * are used.
+ * The described callback mechanism is only used if ff_effects_max
+ * is set.
  *
  * To implement upload_effect():
- *   1. Wait for an event with type==EV_UINPUT and code==UI_FF_UPLOAD.
+ *   1. Wait for an event with type == EV_UINPUT and code == UI_FF_UPLOAD.
  *      A request ID will be given in 'value'.
  *   2. Allocate a uinput_ff_upload struct, fill in request_id with
  *      the 'value' from the EV_UINPUT event.
  *   3. Issue a UI_BEGIN_FF_UPLOAD ioctl, giving it the
  *      uinput_ff_upload struct. It will be filled in with the
- *      ff_effect passed to upload_effect().
- *   4. Perform the effect upload, and place the modified ff_effect
- *      and a return code back into the uinput_ff_upload struct.
+ *      ff_effects passed to upload_effect().
+ *   4. Perform the effect upload, and place a return code back into
+        the uinput_ff_upload struct.
  *   5. Issue a UI_END_FF_UPLOAD ioctl, also giving it the
  *      uinput_ff_upload_effect struct. This will complete execution
  *      of our upload_effect() handler.
  *
  * To implement erase_effect():
- *   1. Wait for an event with type==EV_UINPUT and code==UI_FF_ERASE.
+ *   1. Wait for an event with type == EV_UINPUT and code == UI_FF_ERASE.
  *      A request ID will be given in 'value'.
  *   2. Allocate a uinput_ff_erase struct, fill in request_id with
  *      the 'value' from the EV_UINPUT event.
@@ -133,13 +144,13 @@ struct uinput_ff_erase {
  *      effect ID passed to erase_effect().
  *   4. Perform the effect erasure, and place a return code back
  *      into the uinput_ff_erase struct.
- *      and a return code back into the uinput_ff_erase struct.
  *   5. Issue a UI_END_FF_ERASE ioctl, also giving it the
  *      uinput_ff_erase_effect struct. This will complete execution
  *      of our erase_effect() handler.
  */
 
-/* This is the new event type, used only by uinput.
+/*
+ * This is the new event type, used only by uinput.
  * 'code' is UI_FF_UPLOAD or UI_FF_ERASE, and 'value'
  * is the unique request ID. This number was picked
  * arbitrarily, above EV_MAX (since the input system