Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 106 insertions, 36 deletions

diff --git a/include/linux/input.h b/include/linux/input.h
index 896a92227bc4..771d6d85667d 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -34,7 +34,7 @@ struct input_event {
  * Protocol version.
  */
 
-#define EV_VERSION              0x010000
+#define EV_VERSION              0x010001
 
 /*
  * IOCTLs (0x00 - 0x7f)
@@ -47,6 +47,25 @@ struct input_id {
         __u16 version;
 };
 
+/**
+ * struct input_absinfo - used by EVIOCGABS/EVIOCSABS ioctls
+ * @value: latest reported value for the axis.
+ * @minimum: specifies minimum value for the axis.
+ * @maximum: specifies maximum value for the axis.
+ * @fuzz: specifies fuzz value that is used to filter noise from
+ *      the event stream.
+ * @flat: values that are within this value will be discarded by
+ *      joydev interface and reported as 0 instead.
+ * @resolution: specifies resolution for the values reported for
+ *      the axis.
+ *
+ * Note that input core does not clamp reported values to the
+ * [minimum, maximum] limits, such task is left to userspace.
+ *
+ * Resolution for main axes (ABS_X, ABS_Y, ABS_Z) is reported in
+ * units per millimeter (units/mm), resolution for rotational axes
+ * (ABS_RX, ABS_RY, ABS_RZ) is reported in units per radian.
+ */
 struct input_absinfo {
         __s32 value;
         __s32 minimum;
@@ -56,25 +75,53 @@ struct input_absinfo {
         __s32 resolution;
 };
 
+/**
+ * struct input_keymap_entry - used by EVIOCGKEYCODE/EVIOCSKEYCODE ioctls
+ * @scancode: scancode represented in machine-endian form.
+ * @len: length of the scancode that resides in @scancode buffer.
+ * @index: index in the keymap, may be used instead of scancode
+ * @flags: allows to specify how kernel should handle the request. For
+ *      example, setting INPUT_KEYMAP_BY_INDEX flag indicates that kernel
+ *      should perform lookup in keymap by @index instead of @scancode
+ * @keycode: key code assigned to this scancode
+ *
+ * The structure is used to retrieve and modify keymap data. Users have
+ * option of performing lookup either by @scancode itself or by @index
+ * in keymap entry. EVIOCGKEYCODE will also return scancode or index
+ * (depending on which element was used to perform lookup).
+ */
+struct input_keymap_entry {
+#define INPUT_KEYMAP_BY_INDEX   (1 << 0)
+        __u8  flags;
+        __u8  len;
+        __u16 index;
+        __u32 keycode;
+        __u8  scancode[32];
+};
+
 #define EVIOCGVERSION           _IOR('E', 0x01, int)                    /* get driver version */
 #define EVIOCGID                _IOR('E', 0x02, struct input_id)        /* get device ID */
 #define EVIOCGREP               _IOR('E', 0x03, unsigned int[2])        /* get repeat settings */
 #define EVIOCSREP               _IOW('E', 0x03, unsigned int[2])        /* set repeat settings */
-#define EVIOCGKEYCODE           _IOR('E', 0x04, unsigned int[2])        /* get keycode */
-#define EVIOCSKEYCODE           _IOW('E', 0x04, unsigned int[2])        /* set keycode */
+
+#define EVIOCGKEYCODE           _IOR('E', 0x04, unsigned int[2])        /* get keycode */
+#define EVIOCGKEYCODE_V2        _IOR('E', 0x04, struct input_keymap_entry)
+#define EVIOCSKEYCODE           _IOW('E', 0x04, unsigned int[2])        /* set keycode */
+#define EVIOCSKEYCODE_V2        _IOW('E', 0x04, struct input_keymap_entry)
 
 #define EVIOCGNAME(len)         _IOC(_IOC_READ, 'E', 0x06, len)         /* get device name */
 #define EVIOCGPHYS(len)         _IOC(_IOC_READ, 'E', 0x07, len)         /* get physical location */
 #define EVIOCGUNIQ(len)         _IOC(_IOC_READ, 'E', 0x08, len)         /* get unique identifier */
+#define EVIOCGPROP(len)         _IOC(_IOC_READ, 'E', 0x09, len)         /* get device properties */
 
-#define EVIOCGKEY(len)          _IOC(_IOC_READ, 'E', 0x18, len)         /* get global keystate */
+#define EVIOCGKEY(len)          _IOC(_IOC_READ, 'E', 0x18, len)         /* get global key state */
 #define EVIOCGLED(len)          _IOC(_IOC_READ, 'E', 0x19, len)         /* get all LEDs */
 #define EVIOCGSND(len)          _IOC(_IOC_READ, 'E', 0x1a, len)         /* get all sounds status */
 #define EVIOCGSW(len)           _IOC(_IOC_READ, 'E', 0x1b, len)         /* get all switch states */
 
 #define EVIOCGBIT(ev,len)       _IOC(_IOC_READ, 'E', 0x20 + ev, len)    /* get event bits */
-#define EVIOCGABS(abs)          _IOR('E', 0x40 + abs, struct input_absinfo)             /* get abs value/limits */
-#define EVIOCSABS(abs)          _IOW('E', 0xc0 + abs, struct input_absinfo)             /* set abs value/limits */
+#define EVIOCGABS(abs)          _IOR('E', 0x40 + abs, struct input_absinfo)     /* get abs value/limits */
+#define EVIOCSABS(abs)          _IOW('E', 0xc0 + abs, struct input_absinfo)     /* set abs value/limits */
 
 #define EVIOCSFF                _IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect))   /* send a force effect to a force feedback device */
 #define EVIOCRMFF               _IOW('E', 0x81, int)                    /* Erase a force effect */
@@ -83,6 +130,18 @@ struct input_absinfo {
 #define EVIOCGRAB               _IOW('E', 0x90, int)                    /* Grab/Release device */
 
 /*
+ * Device properties and quirks
+ */
+
+#define INPUT_PROP_POINTER              0x00    /* needs a pointer */
+#define INPUT_PROP_DIRECT               0x01    /* direct input devices */
+#define INPUT_PROP_BUTTONPAD            0x02    /* has button(s) under pad */
+#define INPUT_PROP_SEMI_MT              0x03    /* touch rectangle only */
+
+#define INPUT_PROP_MAX                  0x1f
+#define INPUT_PROP_CNT                  (INPUT_PROP_MAX + 1)
+
+/*
  * Event types
  */
 
@@ -108,6 +167,7 @@ struct input_absinfo {
 #define SYN_REPORT              0
 #define SYN_CONFIG              1
 #define SYN_MT_REPORT           2
+#define SYN_DROPPED             3
 
 /*
  * Keys and buttons
@@ -494,8 +554,8 @@ struct input_absinfo {
 #define KEY_DVD                 0x185   /* Media Select DVD */
 #define KEY_AUX                 0x186
 #define KEY_MP3                 0x187
-#define KEY_AUDIO               0x188
-#define KEY_VIDEO               0x189
+#define KEY_AUDIO               0x188   /* AL Audio Browser */
+#define KEY_VIDEO               0x189   /* AL Movie Browser */
 #define KEY_DIRECTORY           0x18a
 #define KEY_LIST                0x18b
 #define KEY_MEMO                0x18c   /* Media Select Messages */
@@ -544,6 +604,9 @@ struct input_absinfo {
 #define KEY_FRAMEFORWARD        0x1b5
 #define KEY_CONTEXT_MENU        0x1b6   /* GenDesc - system context menu */
 #define KEY_MEDIA_REPEAT        0x1b7   /* Consumer - transport control */
+#define KEY_10CHANNELSUP        0x1b8   /* 10 channels up (10+) */
+#define KEY_10CHANNELSDOWN      0x1b9   /* 10 channels down (10-) */
+#define KEY_IMAGES              0x1ba   /* AL Image Browser */
 
 #define KEY_DEL_EOL             0x1c0
 #define KEY_DEL_EOS             0x1c1
@@ -599,6 +662,17 @@ struct input_absinfo {
 #define KEY_CAMERA_FOCUS        0x210
 #define KEY_WPS_BUTTON          0x211   /* WiFi Protected Setup key */
 
+#define KEY_TOUCHPAD_TOGGLE     0x212   /* Request switch touchpad on or off */
+#define KEY_TOUCHPAD_ON         0x213
+#define KEY_TOUCHPAD_OFF        0x214
+
+#define KEY_CAMERA_ZOOMIN       0x215
+#define KEY_CAMERA_ZOOMOUT      0x216
+#define KEY_CAMERA_UP           0x217
+#define KEY_CAMERA_DOWN         0x218
+#define KEY_CAMERA_LEFT         0x219
+#define KEY_CAMERA_RIGHT        0x21a
+
 #define BTN_TRIGGER_HAPPY               0x2c0
 #define BTN_TRIGGER_HAPPY1              0x2c0
 #define BTN_TRIGGER_HAPPY2              0x2c1
@@ -708,11 +782,12 @@ struct input_absinfo {
 #define ABS_MT_BLOB_ID          0x38    /* Group a set of packets as a blob */
 #define ABS_MT_TRACKING_ID      0x39    /* Unique ID of initiated contact */
 #define ABS_MT_PRESSURE         0x3a    /* Pressure on contact area */
+#define ABS_MT_DISTANCE         0x3b    /* Contact hover distance */
 
 #ifdef __KERNEL__
 /* Implementation details, userspace should not care about these */
 #define ABS_MT_FIRST            ABS_MT_TOUCH_MAJOR
-#define ABS_MT_LAST             ABS_MT_PRESSURE
+#define ABS_MT_LAST             ABS_MT_DISTANCE
 #endif
 
 #define ABS_MAX                 0x3f
@@ -736,6 +811,7 @@ struct input_absinfo {
 #define SW_CAMERA_LENS_COVER    0x09  /* set = lens covered */
 #define SW_KEYPAD_SLIDE         0x0a  /* set = keypad slide out */
 #define SW_FRONT_PROXIMITY      0x0b  /* set = front proximity sensor active */
+#define SW_ROTATE_LOCK          0x0c  /* set = rotate locked/disabled */
 #define SW_MAX                  0x0f
 #define SW_CNT                  (SW_MAX+1)
 
@@ -823,6 +899,7 @@ struct input_absinfo {
  */
 #define MT_TOOL_FINGER          0
 #define MT_TOOL_PEN             1
+#define MT_TOOL_MAX             1
 
 /*
  * Values describing the status of a force-feedback effect
@@ -1058,19 +1135,12 @@ struct ff_effect {
 #include <linux/mod_devicetable.h>
 
 /**
- * struct input_mt_slot - represents the state of an input MT slot
- * @abs: holds current values of ABS_MT axes for this slot
- */
-struct input_mt_slot {
-        int abs[ABS_MT_LAST - ABS_MT_FIRST + 1];
-};
-
-/**
  * struct input_dev - represents an input device
  * @name: name of the device
  * @phys: physical path to the device in the system hierarchy
  * @uniq: unique identification code for the device (if device has it)
  * @id: id of the device (struct input_id)
+ * @propbit: bitmap of device properties and quirks
  * @evbit: bitmap of types of events supported by the device (EV_KEY,
  *      EV_REL, etc.)
  * @keybit: bitmap of keys/buttons this device has
@@ -1088,13 +1158,11 @@ struct input_mt_slot {
  * @keycodemax: size of keycode table
  * @keycodesize: size of elements in keycode table
  * @keycode: map of scancodes to keycodes for this device
+ * @getkeycode: optional legacy method to retrieve current keymap.
  * @setkeycode: optional method to alter current keymap, used to implement
  *      sparse keymaps. If not supplied default mechanism will be used.
  *      The method is being called while holding event_lock and thus must
  *      not sleep
- * @getkeycode: optional method to retrieve current keymap. If not supplied
- *      default mechanism will be used. The method is being called while
- *      holding event_lock and thus must not sleep
  * @ff: force feedback structure associated with the device if device
  *      supports force feedback effects
  * @repeat_key: stores key code of the last key pressed; used to implement
@@ -1105,7 +1173,8 @@ struct input_mt_slot {
  *      of tracked contacts
  * @mtsize: number of MT slots the device uses
  * @slot: MT slot currently being transmitted
- * @absinfo: array of &struct absinfo elements holding information
+ * @trkid: stores MT tracking ID for the current contact
+ * @absinfo: array of &struct input_absinfo elements holding information
  *      about absolute axes (current value, min, max, flat, fuzz,
  *      resolution)
  * @key: reflects current state of device's keys/buttons
@@ -1153,6 +1222,8 @@ struct input_dev {
         const char *uniq;
         struct input_id id;
 
+        unsigned long propbit[BITS_TO_LONGS(INPUT_PROP_CNT)];
+
         unsigned long evbit[BITS_TO_LONGS(EV_CNT)];
         unsigned long keybit[BITS_TO_LONGS(KEY_CNT)];
         unsigned long relbit[BITS_TO_LONGS(REL_CNT)];
@@ -1168,10 +1239,12 @@ struct input_dev {
         unsigned int keycodemax;
         unsigned int keycodesize;
         void *keycode;
+
         int (*setkeycode)(struct input_dev *dev,
-                          unsigned int scancode, unsigned int keycode);
+                          const struct input_keymap_entry *ke,
+                          unsigned int *old_keycode);
         int (*getkeycode)(struct input_dev *dev,
-                          unsigned int scancode, unsigned int *keycode);
+                          struct input_keymap_entry *ke);
 
         struct ff_device *ff;
 
@@ -1183,6 +1256,7 @@ struct input_dev {
         struct input_mt_slot *mt;
         int mtsize;
         int slot;
+        int trkid;
 
         struct input_absinfo *absinfo;
 
@@ -1196,7 +1270,7 @@ struct input_dev {
         int (*flush)(struct input_dev *dev, struct file *file);
         int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
 
-        struct input_handle *grab;
+        struct input_handle __rcu *grab;
 
         spinlock_t event_lock;
         struct mutex mutex;
@@ -1375,6 +1449,8 @@ static inline void input_set_drvdata(struct input_dev *dev, void *data)
 int __must_check input_register_device(struct input_dev *);
 void input_unregister_device(struct input_dev *);
 
+void input_reset_device(struct input_dev *);
+
 int __must_check input_register_handler(struct input_handler *);
 void input_unregister_handler(struct input_handler *);
 
@@ -1390,7 +1466,7 @@ void input_release_device(struct input_handle *);
 int input_open_device(struct input_handle *);
 void input_close_device(struct input_handle *);
 
-int input_flush_device(struct input_handle* handle, struct file* file);
+int input_flush_device(struct input_handle *handle, struct file *file);
 
 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
 void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value);
@@ -1430,11 +1506,6 @@ static inline void input_mt_sync(struct input_dev *dev)
         input_event(dev, EV_SYN, SYN_MT_REPORT, 0);
 }
 
-static inline void input_mt_slot(struct input_dev *dev, int slot)
-{
-        input_event(dev, EV_ABS, ABS_MT_SLOT, slot);
-}
-
 void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code);
 
 /**
@@ -1478,10 +1549,12 @@ INPUT_GENERATE_ABS_ACCESSORS(fuzz, fuzz)
 INPUT_GENERATE_ABS_ACCESSORS(flat, flat)
 INPUT_GENERATE_ABS_ACCESSORS(res, resolution)
 
-int input_get_keycode(struct input_dev *dev,
-                      unsigned int scancode, unsigned int *keycode);
+int input_scancode_to_scalar(const struct input_keymap_entry *ke,
+                             unsigned int *scancode);
+
+int input_get_keycode(struct input_dev *dev, struct input_keymap_entry *ke);
 int input_set_keycode(struct input_dev *dev,
-                      unsigned int scancode, unsigned int keycode);
+                      const struct input_keymap_entry *ke);
 
 extern struct class input_class;
 
@@ -1545,8 +1618,5 @@ 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 *));
 
-int input_mt_create_slots(struct input_dev *dev, unsigned int num_slots);
-void input_mt_destroy_slots(struct input_dev *dev);
-
 #endif
 #endif