1 /*- 2 * Copyright (c) 2014 Jakub Wojciech Klama <jceel@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _DEV_EVDEV_EVDEV_H 30 #define _DEV_EVDEV_EVDEV_H 31 32 #include <sys/types.h> 33 #include <sys/kbio.h> 34 #include <dev/evdev/input.h> 35 #include <dev/kbd/kbdreg.h> 36 37 #define NAMELEN 80 38 39 struct evdev_dev; 40 41 typedef int (evdev_open_t)(struct evdev_dev *, void *); 42 typedef void (evdev_close_t)(struct evdev_dev *, void *); 43 typedef void (evdev_event_t)(struct evdev_dev *, void *, uint16_t, 44 uint16_t, int32_t); 45 typedef void (evdev_keycode_t)(struct evdev_dev *, void *, 46 struct input_keymap_entry *); 47 48 /* 49 * Keyboard and mouse events recipient mask. 50 * evdev_rcpt_mask variable should be respected by keyboard and mouse drivers 51 * that are able to send events through both evdev and sysmouse/kbdmux 52 * interfaces so user can choose prefered one to not receive one event twice. 53 */ 54 #define EVDEV_RCPT_SYSMOUSE (1<<0) 55 #define EVDEV_RCPT_KBDMUX (1<<1) 56 #define EVDEV_RCPT_HW_MOUSE (1<<2) 57 #define EVDEV_RCPT_HW_KBD (1<<3) 58 extern int evdev_rcpt_mask; 59 /* 60 * Sysmouse protocol does not support horizontal wheel movement reporting. 61 * To overcome this limitation different drivers use different sysmouse proto 62 * extensions. Set kern.evdev.sysmouse_t_axis to tell sysmouse evdev driver 63 * which protocol extension is used. 64 * 0 - do not extract horizontal wheel movement (default). 65 * 1 - ums(4) horizontal wheel encoding. T-axis is mapped to buttons 6 and 7 66 * 2 - psm(4) wheels encoding: z = 1,-1 - vert. wheel, z = 2,-2 - horiz. wheel 67 */ 68 enum 69 { 70 EVDEV_SYSMOUSE_T_AXIS_NONE = 0, 71 EVDEV_SYSMOUSE_T_AXIS_UMS = 1, 72 EVDEV_SYSMOUSE_T_AXIS_PSM = 2, 73 }; 74 extern int evdev_sysmouse_t_axis; 75 76 #define ABS_MT_FIRST ABS_MT_TOUCH_MAJOR 77 #define ABS_MT_LAST ABS_MT_TOOL_Y 78 #define ABS_IS_MT(x) ((x) >= ABS_MT_FIRST && (x) <= ABS_MT_LAST) 79 #define ABS_MT_INDEX(x) ((x) - ABS_MT_FIRST) 80 #define MT_CNT (ABS_MT_INDEX(ABS_MT_LAST) + 1) 81 /* Multitouch protocol type A */ 82 #define MAX_MT_REPORTS 5 83 /* Multitouch protocol type B interface */ 84 #define MAX_MT_SLOTS 16 85 86 #define EVDEV_FLAG_SOFTREPEAT 0x00 /* use evdev to repeat keys */ 87 #define EVDEV_FLAG_MT_STCOMPAT 0x01 /* autogenerate ST-compatible events 88 * for MT protocol type B reports */ 89 #define EVDEV_FLAG_MT_AUTOREL 0x02 /* Autorelease MT-slots not listed in 90 * current MT protocol type B report */ 91 #define EVDEV_FLAG_MAX 0x1F 92 #define EVDEV_FLAG_CNT (EVDEV_FLAG_MAX + 1) 93 94 struct evdev_methods 95 { 96 evdev_open_t *ev_open; 97 evdev_close_t *ev_close; 98 evdev_event_t *ev_event; 99 evdev_keycode_t *ev_get_keycode; 100 evdev_keycode_t *ev_set_keycode; 101 }; 102 103 /* Input device interface: */ 104 struct evdev_dev *evdev_alloc(void); 105 void evdev_free(struct evdev_dev *); 106 void evdev_set_name(struct evdev_dev *, const char *); 107 void evdev_set_id(struct evdev_dev *, uint16_t, uint16_t, uint16_t, uint16_t); 108 void evdev_set_phys(struct evdev_dev *, const char *); 109 void evdev_set_serial(struct evdev_dev *, const char *); 110 void evdev_set_methods(struct evdev_dev *, void *, 111 const struct evdev_methods *); 112 int evdev_register(struct evdev_dev *); 113 int evdev_register_mtx(struct evdev_dev *, struct mtx *); 114 int evdev_unregister(struct evdev_dev *); 115 int evdev_push_event(struct evdev_dev *, uint16_t, uint16_t, int32_t); 116 void evdev_support_prop(struct evdev_dev *, uint16_t); 117 void evdev_support_event(struct evdev_dev *, uint16_t); 118 void evdev_support_key(struct evdev_dev *, uint16_t); 119 void evdev_support_rel(struct evdev_dev *, uint16_t); 120 void evdev_support_abs(struct evdev_dev *, uint16_t, int32_t, int32_t, int32_t, 121 int32_t, int32_t, int32_t); 122 void evdev_support_msc(struct evdev_dev *, uint16_t); 123 void evdev_support_led(struct evdev_dev *, uint16_t); 124 void evdev_support_snd(struct evdev_dev *, uint16_t); 125 void evdev_support_sw(struct evdev_dev *, uint16_t); 126 void evdev_set_repeat_params(struct evdev_dev *, uint16_t, int); 127 int evdev_set_report_size(struct evdev_dev *, size_t); 128 void evdev_set_flag(struct evdev_dev *, uint16_t); 129 130 /* Multitouch related functions: */ 131 int32_t evdev_get_mt_slot_by_tracking_id(struct evdev_dev *, int32_t); 132 void evdev_support_nfingers(struct evdev_dev *, int32_t); 133 void evdev_support_mt_compat(struct evdev_dev *); 134 void evdev_push_nfingers(struct evdev_dev *, int32_t); 135 void evdev_push_mt_compat(struct evdev_dev *); 136 137 /* Utility functions: */ 138 uint16_t evdev_hid2key(int); 139 void evdev_support_all_known_keys(struct evdev_dev *); 140 uint16_t evdev_scancode2key(int *, int); 141 void evdev_push_mouse_btn(struct evdev_dev *, int); 142 void evdev_push_leds(struct evdev_dev *, int); 143 void evdev_push_repeats(struct evdev_dev *, keyboard_t *); 144 evdev_event_t evdev_ev_kbd_event; 145 146 /* Event reporting shortcuts: */ 147 static __inline int 148 evdev_sync(struct evdev_dev *evdev) 149 { 150 151 return (evdev_push_event(evdev, EV_SYN, SYN_REPORT, 1)); 152 } 153 154 static __inline int 155 evdev_mt_sync(struct evdev_dev *evdev) 156 { 157 158 return (evdev_push_event(evdev, EV_SYN, SYN_MT_REPORT, 1)); 159 } 160 161 static __inline int 162 evdev_push_key(struct evdev_dev *evdev, uint16_t code, int32_t value) 163 { 164 165 return (evdev_push_event(evdev, EV_KEY, code, value != 0)); 166 } 167 168 static __inline int 169 evdev_push_rel(struct evdev_dev *evdev, uint16_t code, int32_t value) 170 { 171 172 return (evdev_push_event(evdev, EV_REL, code, value)); 173 } 174 175 static __inline int 176 evdev_push_abs(struct evdev_dev *evdev, uint16_t code, int32_t value) 177 { 178 179 return (evdev_push_event(evdev, EV_ABS, code, value)); 180 } 181 182 static __inline int 183 evdev_push_msc(struct evdev_dev *evdev, uint16_t code, int32_t value) 184 { 185 186 return (evdev_push_event(evdev, EV_MSC, code, value)); 187 } 188 189 static __inline int 190 evdev_push_led(struct evdev_dev *evdev, uint16_t code, int32_t value) 191 { 192 193 return (evdev_push_event(evdev, EV_LED, code, value != 0)); 194 } 195 196 static __inline int 197 evdev_push_snd(struct evdev_dev *evdev, uint16_t code, int32_t value) 198 { 199 200 return (evdev_push_event(evdev, EV_SND, code, value)); 201 } 202 203 static __inline int 204 evdev_push_sw(struct evdev_dev *evdev, uint16_t code, int32_t value) 205 { 206 207 return (evdev_push_event(evdev, EV_SW, code, value != 0)); 208 } 209 210 #endif /* _DEV_EVDEV_EVDEV_H */ 211