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 *); 42 typedef int (evdev_close_t)(struct evdev_dev *); 43 typedef void (evdev_event_t)(struct evdev_dev *, uint16_t, uint16_t, int32_t); 44 typedef void (evdev_keycode_t)(struct evdev_dev *, 45 struct input_keymap_entry *); 46 47 /* 48 * Keyboard and mouse events recipient mask. 49 * evdev_rcpt_mask variable should be respected by keyboard and mouse drivers 50 * that are able to send events through both evdev and sysmouse/kbdmux 51 * interfaces so user can choose prefered one to not receive one event twice. 52 */ 53 #define EVDEV_RCPT_SYSMOUSE (1<<0) 54 #define EVDEV_RCPT_KBDMUX (1<<1) 55 #define EVDEV_RCPT_HW_MOUSE (1<<2) 56 #define EVDEV_RCPT_HW_KBD (1<<3) 57 extern int evdev_rcpt_mask; 58 /* 59 * Sysmouse protocol does not support horizontal wheel movement reporting. 60 * To overcome this limitation different drivers use different sysmouse proto 61 * extensions. Set kern.evdev.sysmouse_t_axis to tell sysmouse evdev driver 62 * which protocol extension is used. 63 * 0 - do not extract horizontal wheel movement (default). 64 * 1 - ums(4) horizontal wheel encoding. T-axis is mapped to buttons 6 and 7 65 * 2 - psm(4) wheels encoding: z = 1,-1 - vert. wheel, z = 2,-2 - horiz. wheel 66 */ 67 enum 68 { 69 EVDEV_SYSMOUSE_T_AXIS_NONE = 0, 70 EVDEV_SYSMOUSE_T_AXIS_UMS = 1, 71 EVDEV_SYSMOUSE_T_AXIS_PSM = 2, 72 }; 73 extern int evdev_sysmouse_t_axis; 74 75 #define ABS_MT_FIRST ABS_MT_TOUCH_MAJOR 76 #define ABS_MT_LAST ABS_MT_TOOL_Y 77 #define ABS_IS_MT(x) ((x) >= ABS_MT_FIRST && (x) <= ABS_MT_LAST) 78 #define ABS_MT_INDEX(x) ((x) - ABS_MT_FIRST) 79 #define MT_CNT (ABS_MT_INDEX(ABS_MT_LAST) + 1) 80 /* Multitouch protocol type A */ 81 #define MAX_MT_REPORTS 5 82 /* Multitouch protocol type B interface */ 83 #define MAX_MT_SLOTS 16 84 85 #define EVDEV_FLAG_SOFTREPEAT 0x00 /* use evdev to repeat keys */ 86 #define EVDEV_FLAG_MT_STCOMPAT 0x01 /* autogenerate ST-compatible events 87 * for MT protocol type B reports */ 88 #define EVDEV_FLAG_MT_AUTOREL 0x02 /* Autorelease MT-slots not listed in 89 * current MT protocol type B report */ 90 #define EVDEV_FLAG_MAX 0x1F 91 #define EVDEV_FLAG_CNT (EVDEV_FLAG_MAX + 1) 92 93 struct evdev_methods 94 { 95 evdev_open_t *ev_open; 96 evdev_close_t *ev_close; 97 evdev_event_t *ev_event; 98 evdev_keycode_t *ev_get_keycode; 99 evdev_keycode_t *ev_set_keycode; 100 }; 101 102 /* Input device interface: */ 103 struct evdev_dev *evdev_alloc(void); 104 void evdev_free(struct evdev_dev *); 105 void evdev_set_name(struct evdev_dev *, const char *); 106 void evdev_set_id(struct evdev_dev *, uint16_t, uint16_t, uint16_t, uint16_t); 107 void evdev_set_phys(struct evdev_dev *, const char *); 108 void evdev_set_serial(struct evdev_dev *, const char *); 109 void evdev_set_methods(struct evdev_dev *, void *, 110 const struct evdev_methods *); 111 int evdev_register(struct evdev_dev *); 112 int evdev_register_mtx(struct evdev_dev *, struct mtx *); 113 int evdev_unregister(struct evdev_dev *); 114 int evdev_push_event(struct evdev_dev *, uint16_t, uint16_t, int32_t); 115 void evdev_support_prop(struct evdev_dev *, uint16_t); 116 void evdev_support_event(struct evdev_dev *, uint16_t); 117 void evdev_support_key(struct evdev_dev *, uint16_t); 118 void evdev_support_rel(struct evdev_dev *, uint16_t); 119 void evdev_support_abs(struct evdev_dev *, uint16_t, int32_t, int32_t, int32_t, 120 int32_t, int32_t, int32_t); 121 void evdev_support_msc(struct evdev_dev *, uint16_t); 122 void evdev_support_led(struct evdev_dev *, uint16_t); 123 void evdev_support_snd(struct evdev_dev *, uint16_t); 124 void evdev_support_sw(struct evdev_dev *, uint16_t); 125 void evdev_set_repeat_params(struct evdev_dev *, uint16_t, int); 126 int evdev_set_report_size(struct evdev_dev *, size_t); 127 void evdev_set_flag(struct evdev_dev *, uint16_t); 128 void *evdev_get_softc(struct evdev_dev *); 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 *); 144 145 /* Event reporting shortcuts: */ 146 static __inline int 147 evdev_sync(struct evdev_dev *evdev) 148 { 149 150 return (evdev_push_event(evdev, EV_SYN, SYN_REPORT, 1)); 151 } 152 153 static __inline int 154 evdev_mt_sync(struct evdev_dev *evdev) 155 { 156 157 return (evdev_push_event(evdev, EV_SYN, SYN_MT_REPORT, 1)); 158 } 159 160 static __inline int 161 evdev_push_key(struct evdev_dev *evdev, uint16_t code, int32_t value) 162 { 163 164 return (evdev_push_event(evdev, EV_KEY, code, value != 0)); 165 } 166 167 static __inline int 168 evdev_push_rel(struct evdev_dev *evdev, uint16_t code, int32_t value) 169 { 170 171 return (evdev_push_event(evdev, EV_REL, code, value)); 172 } 173 174 static __inline int 175 evdev_push_abs(struct evdev_dev *evdev, uint16_t code, int32_t value) 176 { 177 178 return (evdev_push_event(evdev, EV_ABS, code, value)); 179 } 180 181 static __inline int 182 evdev_push_msc(struct evdev_dev *evdev, uint16_t code, int32_t value) 183 { 184 185 return (evdev_push_event(evdev, EV_MSC, code, value)); 186 } 187 188 static __inline int 189 evdev_push_led(struct evdev_dev *evdev, uint16_t code, int32_t value) 190 { 191 192 return (evdev_push_event(evdev, EV_LED, code, value != 0)); 193 } 194 195 static __inline int 196 evdev_push_snd(struct evdev_dev *evdev, uint16_t code, int32_t value) 197 { 198 199 return (evdev_push_event(evdev, EV_SND, code, value)); 200 } 201 202 static __inline int 203 evdev_push_sw(struct evdev_dev *evdev, uint16_t code, int32_t value) 204 { 205 206 return (evdev_push_event(evdev, EV_SW, code, value != 0)); 207 } 208 209 #endif /* _DEV_EVDEV_EVDEV_H */ 210