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authorLinus Torvalds <torvalds@g5.osdl.org>2006-10-02 08:20:33 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-02 08:20:33 -0700
commita12f66fccf2e266ad197df142b5ebafc6a169a8c (patch)
tree9d0bc76f8aa9c42fb44ce5f5bf6b4b09f4efafed /include/linux/uinput.h
parent12dce6263d43daeb4e16fa4eb964c1c99fa4fa2e (diff)
parentbb0885900de49b5822d7e8c91c1adf9a0fcc228b (diff)
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 ...
Diffstat (limited to 'include/linux/uinput.h')
-rw-r--r--include/linux/uinput.h35
1 files changed, 23 insertions, 12 deletions
diff --git a/include/linux/uinput.h b/include/linux/uinput.h
index 7168302f984..1fd61eeed66 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