| /***************************************************************************** |
| * |
| * mtdev - Multitouch Protocol Translation Library (MIT license) |
| * |
| * Copyright (C) 2010 Henrik Rydberg <rydberg@euromail.se> |
| * Copyright (C) 2010 Canonical Ltd. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| ****************************************************************************/ |
| |
| #ifndef MTDEV_STATE_H |
| #define MTDEV_STATE_H |
| |
| #include "iobuf.h" |
| #include "evbuf.h" |
| |
| /* |
| * struct mtdev_slot - represents the state of an input MT slot |
| * @abs: current values of ABS_MT axes for this slot |
| */ |
| struct mtdev_slot { |
| int touch_major; |
| int touch_minor; |
| int width_major; |
| int width_minor; |
| int orientation; |
| int position_x; |
| int position_y; |
| int tool_type; |
| int blob_id; |
| int tracking_id; |
| int pressure; |
| }; |
| |
| static inline int get_sval(const struct mtdev_slot *slot, int ix) |
| { |
| return (&slot->touch_major)[ix]; |
| } |
| |
| static inline void set_sval(struct mtdev_slot *slot, int ix, int value) |
| { |
| (&slot->touch_major)[ix] = value; |
| } |
| |
| /* |
| * struct mtdev_state - MT slot parsing |
| * @inbuf: input event buffer |
| * @outbuf: output event buffer |
| * @data: array of scratch slot data |
| * @used: bitmask of currently used slots |
| * @slot: slot currently being modified |
| * @lastid: last used tracking id |
| */ |
| struct mtdev_state { |
| |
| int has_ext_abs[MT_ABS_SIZE - 11]; |
| struct input_absinfo ext_abs[MT_ABS_SIZE - 11]; |
| |
| struct mtdev_iobuf iobuf; |
| struct mtdev_evbuf inbuf; |
| struct mtdev_evbuf outbuf; |
| struct mtdev_slot data[DIM_FINGER]; |
| |
| bitmask_t used; |
| bitmask_t slot; |
| bitmask_t lastid; |
| }; |
| |
| #endif |