#else
#include <sys/time.h>
#include <sys/ioctl.h>
+#include <sys/types.h>
#include <asm/types.h>
#endif
#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, int[2]) /* get repeat settings */
+#define EVIOCSREP _IOW('E', 0x03, int[2]) /* set repeat settings */
#define EVIOCGKEYCODE _IOR('E', 0x04, int[2]) /* get keycode */
#define EVIOCSKEYCODE _IOW('E', 0x04, int[2]) /* set keycode */
#define KEY_PAUSE 119
#define KEY_KPCOMMA 121
-#define KEY_HANGUEL 122
+#define KEY_HANGEUL 122
+#define KEY_HANGUEL KEY_HANGEUL
#define KEY_HANJA 123
#define KEY_YEN 124
#define KEY_LEFTMETA 125
#define KEY_SCROLLDOWN 178
#define KEY_KPLEFTPAREN 179
#define KEY_KPRIGHTPAREN 180
+#define KEY_NEW 181
+#define KEY_REDO 182
#define KEY_F13 183
#define KEY_F14 184
#define KEY_KBDILLUMDOWN 229
#define KEY_KBDILLUMUP 230
+#define KEY_SEND 231
+#define KEY_REPLY 232
+#define KEY_FORWARDMAIL 233
+#define KEY_SAVE 234
+#define KEY_DOCUMENTS 235
+
+#define KEY_BATTERY 236
+
+#define KEY_BLUETOOTH 237
+#define KEY_WLAN 238
+
#define KEY_UNKNOWN 240
#define BTN_MISC 0x100
#define BTN_GEAR_UP 0x151
#define KEY_OK 0x160
-#define KEY_SELECT 0x161
+#define KEY_SELECT 0x161
#define KEY_GOTO 0x162
#define KEY_CLEAR 0x163
#define KEY_POWER2 0x164
#define KEY_DIGITS 0x19d
#define KEY_TEEN 0x19e
#define KEY_TWEN 0x19f
+#define KEY_VIDEOPHONE 0x1a0
+#define KEY_GAMES 0x1a1
+#define KEY_ZOOMIN 0x1a2
+#define KEY_ZOOMOUT 0x1a3
+#define KEY_ZOOMRESET 0x1a4
+#define KEY_WORDPROCESSOR 0x1a5
+#define KEY_EDITOR 0x1a6
+#define KEY_SPREADSHEET 0x1a7
+#define KEY_GRAPHICSEDITOR 0x1a8
+#define KEY_PRESENTATION 0x1a9
+#define KEY_DATABASE 0x1aa
+#define KEY_NEWS 0x1ab
+#define KEY_VOICEMAIL 0x1ac
+#define KEY_ADDRESSBOOK 0x1ad
+#define KEY_MESSENGER 0x1ae
+#define KEY_DISPLAYTOGGLE 0x1af /* Turn display (LCD) on and off */
#define KEY_DEL_EOL 0x1c0
#define KEY_DEL_EOS 0x1c1
#define KEY_FN_S 0x1e3
#define KEY_FN_B 0x1e4
+#define KEY_BRL_DOT1 0x1f1
+#define KEY_BRL_DOT2 0x1f2
+#define KEY_BRL_DOT3 0x1f3
+#define KEY_BRL_DOT4 0x1f4
+#define KEY_BRL_DOT5 0x1f5
+#define KEY_BRL_DOT6 0x1f6
+#define KEY_BRL_DOT7 0x1f7
+#define KEY_BRL_DOT8 0x1f8
+
+/* We avoid low common keys in module aliases so they don't get huge. */
+#define KEY_MIN_INTERESTING KEY_MUTE
#define KEY_MAX 0x1ff
/*
* Switch events
*/
-#define SW_0 0x00
-#define SW_1 0x01
-#define SW_2 0x02
-#define SW_3 0x03
-#define SW_4 0x04
-#define SW_5 0x05
-#define SW_6 0x06
-#define SW_7 0x07
-#define SW_MAX 0x0f
+#define SW_LID 0x00 /* set = lid shut */
+#define SW_TABLET_MODE 0x01 /* set = tablet mode */
+#define SW_HEADPHONE_INSERT 0x02 /* set = inserted */
+#define SW_MAX 0x0f
/*
* Misc events
#define BUS_USB 0x03
#define BUS_HIL 0x04
#define BUS_BLUETOOTH 0x05
+#define BUS_VIRTUAL 0x06
#define BUS_ISA 0x10
#define BUS_I8042 0x11
#define BUS_ADB 0x17
#define BUS_I2C 0x18
#define BUS_HOST 0x19
+#define BUS_GSC 0x1A
+#define BUS_ATARI 0x1B
/*
- * Values describing the status of an effect
+ * Values describing the status of a force-feedback effect
*/
#define FF_STATUS_STOPPED 0x00
#define FF_STATUS_PLAYING 0x01
/*
* 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 force-feedback 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 force-feedback 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 force-feedback 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 force-feedback 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 force-feedback 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 force-feedback 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 force-feedback 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 force-feedback 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;
#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
*/
#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
*/
* In-kernel definitions.
*/
+#include <linux/device.h>
#include <linux/fs.h>
#include <linux/timer.h>
+#include <linux/mod_devicetable.h>
#define NBITS(x) (((x)/BITS_PER_LONG)+1)
#define BIT(x) (1UL<<((x)%BITS_PER_LONG))
#define LONG(x) ((x)/BITS_PER_LONG)
-#define INPUT_KEYCODE(dev, scancode) ((dev->keycodesize == 1) ? ((u8*)dev->keycode)[scancode] : \
- ((dev->keycodesize == 2) ? ((u16*)dev->keycode)[scancode] : (((u32*)dev->keycode)[scancode])))
-
-#define SET_INPUT_KEYCODE(dev, scancode, val) \
- ({ unsigned __old; \
- switch (dev->keycodesize) { \
- case 1: { \
- u8 *k = (u8 *)dev->keycode; \
- __old = k[scancode]; \
- k[scancode] = val; \
- break; \
- } \
- case 2: { \
- u16 *k = (u16 *)dev->keycode; \
- __old = k[scancode]; \
- k[scancode] = val; \
- break; \
- } \
- default: { \
- u32 *k = (u32 *)dev->keycode; \
- __old = k[scancode]; \
- k[scancode] = val; \
- break; \
- } \
- } \
- __old; })
-
struct input_dev {
void *private;
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;
+ int (*setkeycode)(struct input_dev *dev, int scancode, int keycode);
+ int (*getkeycode)(struct input_dev *dev, int scancode, int *keycode);
+
+ struct ff_device *ff;
unsigned int repeat_key;
struct timer_list timer;
- struct pt_regs *regs;
int state;
int sync;
int (*open)(struct input_dev *dev);
void (*close)(struct input_dev *dev);
- int (*accept)(struct input_dev *dev, struct file *file);
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;
- struct semaphore sem; /* serializes open and close operations */
+ struct mutex mutex; /* serializes open and close operations */
unsigned int users;
- struct device *dev;
+ struct class_device cdev;
+ union { /* temporarily so while we switching to struct device */
+ struct device *parent;
+ } dev;
struct list_head h_list;
struct list_head node;
};
+#define to_input_dev(d) container_of(d, struct input_dev, cdev)
/*
- * Structure for hotplug & device<->driver matching.
+ * Verify that we are in sync with input_device_id mod_devicetable.h #defines
*/
-#define INPUT_DEVICE_ID_MATCH_BUS 1
-#define INPUT_DEVICE_ID_MATCH_VENDOR 2
-#define INPUT_DEVICE_ID_MATCH_PRODUCT 4
-#define INPUT_DEVICE_ID_MATCH_VERSION 8
-
-#define INPUT_DEVICE_ID_MATCH_EVBIT 0x010
-#define INPUT_DEVICE_ID_MATCH_KEYBIT 0x020
-#define INPUT_DEVICE_ID_MATCH_RELBIT 0x040
-#define INPUT_DEVICE_ID_MATCH_ABSBIT 0x080
-#define INPUT_DEVICE_ID_MATCH_MSCIT 0x100
-#define INPUT_DEVICE_ID_MATCH_LEDBIT 0x200
-#define INPUT_DEVICE_ID_MATCH_SNDBIT 0x400
-#define INPUT_DEVICE_ID_MATCH_FFBIT 0x800
-#define INPUT_DEVICE_ID_MATCH_SWBIT 0x1000
-
-#define INPUT_DEVICE_ID_MATCH_DEVICE\
- (INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT)
-#define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION\
- (INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION)
+#if EV_MAX != INPUT_DEVICE_ID_EV_MAX
+#error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match"
+#endif
-struct input_device_id {
+#if KEY_MIN_INTERESTING != INPUT_DEVICE_ID_KEY_MIN_INTERESTING
+#error "KEY_MIN_INTERESTING and INPUT_DEVICE_ID_KEY_MIN_INTERESTING do not match"
+#endif
- unsigned long flags;
+#if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX
+#error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match"
+#endif
- struct input_id id;
+#if REL_MAX != INPUT_DEVICE_ID_REL_MAX
+#error "REL_MAX and INPUT_DEVICE_ID_REL_MAX do not match"
+#endif
- unsigned long evbit[NBITS(EV_MAX)];
- unsigned long keybit[NBITS(KEY_MAX)];
- unsigned long relbit[NBITS(REL_MAX)];
- unsigned long absbit[NBITS(ABS_MAX)];
- unsigned long mscbit[NBITS(MSC_MAX)];
- unsigned long ledbit[NBITS(LED_MAX)];
- unsigned long sndbit[NBITS(SND_MAX)];
- unsigned long ffbit[NBITS(FF_MAX)];
- unsigned long swbit[NBITS(SW_MAX)];
+#if ABS_MAX != INPUT_DEVICE_ID_ABS_MAX
+#error "ABS_MAX and INPUT_DEVICE_ID_ABS_MAX do not match"
+#endif
- unsigned long driver_info;
-};
+#if MSC_MAX != INPUT_DEVICE_ID_MSC_MAX
+#error "MSC_MAX and INPUT_DEVICE_ID_MSC_MAX do not match"
+#endif
+
+#if LED_MAX != INPUT_DEVICE_ID_LED_MAX
+#error "LED_MAX and INPUT_DEVICE_ID_LED_MAX do not match"
+#endif
+
+#if SND_MAX != INPUT_DEVICE_ID_SND_MAX
+#error "SND_MAX and INPUT_DEVICE_ID_SND_MAX do not match"
+#endif
+
+#if FF_MAX != INPUT_DEVICE_ID_FF_MAX
+#error "FF_MAX and INPUT_DEVICE_ID_FF_MAX do not match"
+#endif
+
+#if SW_MAX != INPUT_DEVICE_ID_SW_MAX
+#error "SW_MAX and INPUT_DEVICE_ID_SW_MAX do not match"
+#endif
+
+#define INPUT_DEVICE_ID_MATCH_DEVICE \
+ (INPUT_DEVICE_ID_MATCH_BUS | INPUT_DEVICE_ID_MATCH_VENDOR | INPUT_DEVICE_ID_MATCH_PRODUCT)
+#define INPUT_DEVICE_ID_MATCH_DEVICE_AND_VERSION \
+ (INPUT_DEVICE_ID_MATCH_DEVICE | INPUT_DEVICE_ID_MATCH_VERSION)
struct input_handle;
+/**
+ * struct input_handler - implements one of interfaces for input devices
+ * @private: driver-specific data
+ * @event: event handler
+ * @connect: called when attaching a handler to an input device
+ * @disconnect: disconnects a handler from input device
+ * @start: starts handler for given handle. This function is called by
+ * input core right after connect() method and also when a process
+ * that "grabbed" a device releases it
+ * @fops: file operations this driver implements
+ * @minor: beginning of range of 32 minors for devices this driver
+ * can provide
+ * @name: name of the handler, to be shown in /proc/bus/input/handlers
+ * @id_table: pointer to a table of input_device_ids this driver can
+ * handle
+ * @blacklist: prointer to a table of input_device_ids this driver should
+ * ignore even if they match @id_table
+ * @h_list: list of input handles associated with the handler
+ * @node: for placing the driver onto input_handler_list
+ */
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);
+ int (*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);
- struct file_operations *fops;
+ 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;
void *private;
int open;
- char *name;
+ const char *name;
struct input_dev *dev;
struct input_handler *handler;
};
#define to_dev(n) container_of(n,struct input_dev,node)
-#define to_handler(n) container_of(n,struct input_handler,node);
+#define to_handler(n) container_of(n,struct input_handler,node)
#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)
+struct input_dev *input_allocate_device(void);
+void input_free_device(struct input_dev *dev);
+
+static inline struct input_dev *input_get_device(struct input_dev *dev)
+{
+ return to_input_dev(class_device_get(&dev->cdev));
+}
+
+static inline void input_put_device(struct input_dev *dev)
+{
+ class_device_put(&dev->cdev);
+}
+
+static inline void *input_get_drvdata(struct input_dev *dev)
+{
+ return dev->private;
+}
+
+static inline void input_set_drvdata(struct input_dev *dev, void *data)
{
- INIT_LIST_HEAD(&dev->h_list);
- INIT_LIST_HEAD(&dev->node);
+ dev->private = data;
}
-void input_register_device(struct input_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_register_handle(struct input_handle *);
+void input_unregister_handle(struct input_handle *);
+
int input_grab_device(struct input_handle *);
void input_release_device(struct input_handle *);
int input_open_device(struct input_handle *);
void input_close_device(struct input_handle *);
-int input_accept_process(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);
static inline void input_report_key(struct input_dev *dev, unsigned int code, int value)
{
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);
input_event(dev, EV_SW, code, !!value);
}
-static inline void input_regs(struct input_dev *dev, struct pt_regs *regs)
-{
- dev->regs = regs;
-}
-
static inline void input_sync(struct input_dev *dev)
{
input_event(dev, EV_SYN, SYN_REPORT, 0);
- dev->regs = NULL;
}
+void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code);
+
static inline void input_set_abs_params(struct input_dev *dev, int axis, int min, int max, int fuzz, int flat)
{
dev->absmin[axis] = min;
dev->absbit[LONG(axis)] |= BIT(axis);
}
-extern struct class *input_class;
+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
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