diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-09-04 12:19:07 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-10-23 16:32:31 -0700 |
| commit | a11bc476b987925654369411dd8281a60cb5a175 (patch) | |
| tree | d6abc9e7175a6fae77778dff1b5d29a4f19cdd72 /drivers/input | |
| parent | 04ce40a61a9164f82065eade491099b185c17a65 (diff) | |
| download | linux-a11bc476b987925654369411dd8281a60cb5a175.tar.bz2 | |
Input: uinput - fold header into the driver proper
There is nothing in the uinput kernel header that is of use to anyone in
the kernel besides the uinput driver itself, so let's fold it into the
driver code (leaving uapi part intact).
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/misc/uinput.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 06f3ac67dde1..7b41aad7ec27 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -31,6 +31,7 @@ * 0.1 20/06/2002 * - first public version */ +#include <uapi/linux/uinput.h> #include <linux/poll.h> #include <linux/sched.h> #include <linux/slab.h> @@ -38,10 +39,47 @@ #include <linux/init.h> #include <linux/fs.h> #include <linux/miscdevice.h> -#include <linux/uinput.h> #include <linux/input/mt.h> #include "../input-compat.h" +#define UINPUT_NAME "uinput" +#define UINPUT_BUFFER_SIZE 16 +#define UINPUT_NUM_REQUESTS 16 + +enum uinput_state { UIST_NEW_DEVICE, UIST_SETUP_COMPLETE, UIST_CREATED }; + +struct uinput_request { + unsigned int id; + unsigned int code; /* UI_FF_UPLOAD, UI_FF_ERASE */ + + int retval; + struct completion done; + + union { + unsigned int effect_id; + struct { + struct ff_effect *effect; + struct ff_effect *old; + } upload; + } u; +}; + +struct uinput_device { + struct input_dev *dev; + struct mutex mutex; + enum uinput_state state; + wait_queue_head_t waitq; + unsigned char ready; + unsigned char head; + unsigned char tail; + struct input_event buff[UINPUT_BUFFER_SIZE]; + unsigned int ff_effects_max; + + struct uinput_request *requests[UINPUT_NUM_REQUESTS]; + wait_queue_head_t requests_waitq; + spinlock_t requests_lock; +}; + static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { |