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