/*- * Copyright (c) 2014 Jakub Wojciech Klama * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _DEV_EVDEV_EVDEV_H #define _DEV_EVDEV_EVDEV_H #include #include #include #include #include #define NAMELEN 80 struct evdev_dev; typedef int (evdev_open_t)(struct evdev_dev *); typedef int (evdev_close_t)(struct evdev_dev *); typedef void (evdev_event_t)(struct evdev_dev *, uint16_t, uint16_t, int32_t); typedef void (evdev_keycode_t)(struct evdev_dev *, struct input_keymap_entry *); /* * Keyboard and mouse events recipient mask. * evdev_rcpt_mask variable should be respected by keyboard and mouse drivers * that are able to send events through both evdev and sysmouse/kbdmux * interfaces so user can choose preferred one to not receive one event twice. */ #define EVDEV_RCPT_SYSMOUSE (1<<0) #define EVDEV_RCPT_KBDMUX (1<<1) #define EVDEV_RCPT_HW_MOUSE (1<<2) #define EVDEV_RCPT_HW_KBD (1<<3) extern int evdev_rcpt_mask; /* * Sysmouse protocol does not support horizontal wheel movement reporting. * To overcome this limitation different drivers use different sysmouse proto * extensions. Set kern.evdev.sysmouse_t_axis to tell sysmouse evdev driver * which protocol extension is used. * 0 - do not extract horizontal wheel movement (default). * 1 - ums(4) horizontal wheel encoding. T-axis is mapped to buttons 6 and 7 * 2 - psm(4) wheels encoding: z = 1,-1 - vert. wheel, z = 2,-2 - horiz. wheel */ enum { EVDEV_SYSMOUSE_T_AXIS_NONE = 0, EVDEV_SYSMOUSE_T_AXIS_UMS = 1, EVDEV_SYSMOUSE_T_AXIS_PSM = 2, }; extern int evdev_sysmouse_t_axis; #define ABS_MT_FIRST ABS_MT_TOUCH_MAJOR #define ABS_MT_LAST ABS_MT_TOOL_Y #define ABS_IS_MT(x) ((x) >= ABS_MT_FIRST && (x) <= ABS_MT_LAST) #define ABS_MT_INDEX(x) ((x) - ABS_MT_FIRST) #define MT_CNT (ABS_MT_INDEX(ABS_MT_LAST) + 1) /* Multitouch protocol type A */ #define MAX_MT_REPORTS 5 /* Multitouch protocol type B interface */ #define MAX_MT_SLOTS 16 #define EVDEV_FLAG_SOFTREPEAT 0x00 /* use evdev to repeat keys */ #define EVDEV_FLAG_MT_STCOMPAT 0x01 /* autogenerate ST-compatible events * for MT protocol type B reports */ #define EVDEV_FLAG_MT_AUTOREL 0x02 /* Autorelease MT-slots not listed in * current MT protocol type B report */ #define EVDEV_FLAG_EXT_EPOCH 0x03 /* evdev_push_* is allways called with * input (global) epoch entered */ #define EVDEV_FLAG_MT_KEEPID 0x04 /* Do not reassign tracking ID */ #define EVDEV_FLAG_MT_TRACK 0x05 /* Assign touch to slot by evdev */ #define EVDEV_FLAG_MAX 0x1F #define EVDEV_FLAG_CNT (EVDEV_FLAG_MAX + 1) struct evdev_methods { evdev_open_t *ev_open; evdev_close_t *ev_close; evdev_event_t *ev_event; evdev_keycode_t *ev_get_keycode; evdev_keycode_t *ev_set_keycode; }; union evdev_mt_slot { int32_t val[MT_CNT]; struct { int32_t maj; /* ABS_MT_TOUCH_MAJOR */ int32_t min; /* ABS_MT_TOUCH_MINOR */ int32_t w_maj; /* ABS_MT_WIDTH_MAJOR */ int32_t w_min; /* ABS_MT_WIDTH_MINOR */ int32_t ori; /* ABS_MT_ORIENTATION */ int32_t x; /* ABS_MT_POSITION_X */ int32_t y; /* ABS_MT_POSITION_Y */ int32_t type; /* ABS_MT_TOOL_TYPE */ int32_t blob_id; /* ABS_MT_BLOB_ID */ int32_t id; /* ABS_MT_TRACKING_ID */ int32_t p; /* ABS_MT_PRESSURE */ int32_t dist; /* ABS_MT_DISTANCE */ int32_t tool_x; /* ABS_MT_TOOL_X */ int32_t tool_y; /* ABS_MT_TOOL_Y */ }; }; _Static_assert(offsetof(union evdev_mt_slot, tool_y) == offsetof(union evdev_mt_slot, val[ABS_MT_INDEX(ABS_MT_TOOL_Y)]), "evdev_mt_slot array members does not match their structure aliases"); /* Input device interface: */ struct evdev_dev *evdev_alloc(void); void evdev_free(struct evdev_dev *); void evdev_set_name(struct evdev_dev *, const char *); void evdev_set_id(struct evdev_dev *, uint16_t, uint16_t, uint16_t, uint16_t); void evdev_set_phys(struct evdev_dev *, const char *); void evdev_set_serial(struct evdev_dev *, const char *); void evdev_set_methods(struct evdev_dev *, void *, const struct evdev_methods *); int evdev_register(struct evdev_dev *); int evdev_register_mtx(struct evdev_dev *, struct mtx *); int evdev_unregister(struct evdev_dev *); int evdev_push_event(struct evdev_dev *, uint16_t, uint16_t, int32_t); void evdev_support_prop(struct evdev_dev *, uint16_t); void evdev_support_event(struct evdev_dev *, uint16_t); void evdev_support_key(struct evdev_dev *, uint16_t); void evdev_support_rel(struct evdev_dev *, uint16_t); void evdev_support_abs(struct evdev_dev *, uint16_t, int32_t, int32_t, int32_t, int32_t, int32_t); void evdev_support_msc(struct evdev_dev *, uint16_t); void evdev_support_led(struct evdev_dev *, uint16_t); void evdev_support_snd(struct evdev_dev *, uint16_t); void evdev_support_sw(struct evdev_dev *, uint16_t); void evdev_set_repeat_params(struct evdev_dev *, uint16_t, int); int evdev_set_report_size(struct evdev_dev *, size_t); void evdev_set_flag(struct evdev_dev *, uint16_t); void *evdev_get_softc(struct evdev_dev *); bool evdev_is_grabbed(struct evdev_dev *); /* Multitouch related functions: */ int evdev_mt_id_to_slot(struct evdev_dev *, int32_t); int evdev_mt_push_slot(struct evdev_dev *, int, union evdev_mt_slot *); int evdev_mt_push_frame(struct evdev_dev *, union evdev_mt_slot *, int); void evdev_mt_match_frame(struct evdev_dev *, union evdev_mt_slot *, int); union evdev_mt_slot *evdev_mt_get_match_slots(struct evdev_dev *); void evdev_mt_push_autorel(struct evdev_dev *); /* Utility functions: */ uint16_t evdev_hid2key(int); void evdev_support_all_known_keys(struct evdev_dev *); uint16_t evdev_scancode2key(int *, int); void evdev_push_mouse_btn(struct evdev_dev *, int); void evdev_push_leds(struct evdev_dev *, int); void evdev_push_repeats(struct evdev_dev *, keyboard_t *); void evdev_support_nfingers(struct evdev_dev *, int); void evdev_push_nfingers(struct evdev_dev *, int); /* Event reporting shortcuts: */ static __inline int evdev_sync(struct evdev_dev *evdev) { return (evdev_push_event(evdev, EV_SYN, SYN_REPORT, 1)); } static __inline int evdev_mt_sync(struct evdev_dev *evdev) { return (evdev_push_event(evdev, EV_SYN, SYN_MT_REPORT, 1)); } static __inline int evdev_push_key(struct evdev_dev *evdev, uint16_t code, int32_t value) { return (evdev_push_event(evdev, EV_KEY, code, value != 0)); } static __inline int evdev_push_rel(struct evdev_dev *evdev, uint16_t code, int32_t value) { return (evdev_push_event(evdev, EV_REL, code, value)); } static __inline int evdev_push_abs(struct evdev_dev *evdev, uint16_t code, int32_t value) { return (evdev_push_event(evdev, EV_ABS, code, value)); } static __inline int evdev_push_msc(struct evdev_dev *evdev, uint16_t code, int32_t value) { return (evdev_push_event(evdev, EV_MSC, code, value)); } static __inline int evdev_push_led(struct evdev_dev *evdev, uint16_t code, int32_t value) { return (evdev_push_event(evdev, EV_LED, code, value != 0)); } static __inline int evdev_push_snd(struct evdev_dev *evdev, uint16_t code, int32_t value) { return (evdev_push_event(evdev, EV_SND, code, value)); } static __inline int evdev_push_sw(struct evdev_dev *evdev, uint16_t code, int32_t value) { return (evdev_push_event(evdev, EV_SW, code, value != 0)); } #endif /* _DEV_EVDEV_EVDEV_H */