diff options
| author | JJ Ding <jj_ding@emc.com.tw> | 2011-09-09 10:31:58 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-09-09 10:35:02 -0700 |
| commit | 1dc6edec127e1fdb89d246189c232fe635d2f921 (patch) | |
| tree | ed12c72185f5124ae9ef8cfb2e6cc01dc4e12b45 /drivers/input/mouse/elantech.h | |
| parent | 28f49616113f3a1fbef789319bfd2122d0c3663f (diff) | |
Input: elantech - add v4 hardware support
v4 hardware is a true multitouch capable touchpad (up to 5 fingers).
The packet format is quite complex, please see protocol document for
reference.
Signed-off-by: JJ Ding <jj_ding@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/mouse/elantech.h')
| -rw-r--r-- | drivers/input/mouse/elantech.h | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index 236c33cdc708..7ecaef0c07c4 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -82,14 +82,37 @@ #define ETP_WMAX_V2 15 /* - * v3 hardware has 2 kinds of packet types. + * v3 hardware has 2 kinds of packet types, + * v4 hardware has 3. */ #define PACKET_UNKNOWN 0x01 #define PACKET_DEBOUNCE 0x02 #define PACKET_V3_HEAD 0x03 #define PACKET_V3_TAIL 0x04 +#define PACKET_V4_HEAD 0x05 +#define PACKET_V4_MOTION 0x06 +#define PACKET_V4_STATUS 0x07 + +/* + * track up to 5 fingers for v4 hardware + */ +#define ETP_MAX_FINGERS 5 + +/* + * weight value for v4 hardware + */ +#define ETP_WEIGHT_VALUE 5 + +/* + * The base position for one finger, v4 hardware + */ +struct finger_pos { + unsigned int x; + unsigned int y; +}; struct elantech_data { + unsigned char reg_07; unsigned char reg_10; unsigned char reg_11; unsigned char reg_20; @@ -108,8 +131,8 @@ struct elantech_data { unsigned int fw_version; unsigned int single_finger_reports; unsigned int y_max; - unsigned int prev_x; - unsigned int prev_y; + unsigned int width; + struct finger_pos mt[ETP_MAX_FINGERS]; unsigned char parity[256]; }; |