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1 /*
2  * Copyright © 2020 Red Hat, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  */
23 
24 #include "config.h"
25 
26 #include "litest.h"
27 #include "litest-int.h"
28 
29 static struct input_event proximity_in_events[] = {
30 	{ .type = EV_ABS, .code = ABS_X, .value = LITEST_AUTO_ASSIGN },
31 	{ .type = EV_ABS, .code = ABS_Y, .value = LITEST_AUTO_ASSIGN },
32 	{ .type = EV_ABS, .code = ABS_PRESSURE, .value = LITEST_AUTO_ASSIGN },
33 	{ .type = EV_KEY, .code = LITEST_BTN_TOOL_AUTO, .value = 1 },
34 	{ .type = EV_SYN, .code = SYN_REPORT, .value = 0 },
35 	{ .type = -1, .code = -1 },
36 };
37 
38 static struct input_event proximity_out_events[] = {
39 	{ .type = EV_KEY, .code = LITEST_BTN_TOOL_AUTO, .value = 0 },
40 	{ .type = EV_SYN, .code = SYN_REPORT, .value = 0 },
41 	{ .type = -1, .code = -1 },
42 };
43 
44 static struct input_event motion_events[] = {
45 	{ .type = EV_ABS, .code = ABS_X, .value = LITEST_AUTO_ASSIGN },
46 	{ .type = EV_ABS, .code = ABS_Y, .value = LITEST_AUTO_ASSIGN },
47 	{ .type = EV_ABS, .code = ABS_PRESSURE, .value = LITEST_AUTO_ASSIGN },
48 	{ .type = EV_SYN, .code = SYN_REPORT, .value = 0 },
49 	{ .type = -1, .code = -1 },
50 };
51 
52 static bool
proximity_in(struct litest_device * d,unsigned int tool_type,double x,double y,struct axis_replacement * axes)53 proximity_in(struct litest_device *d,
54 	     unsigned int tool_type,
55 	     double x, double y,
56 	     struct axis_replacement *axes)
57 {
58 	/* nothing special needed for the pen tool, so let litest handle
59 	 * this */
60 	if (tool_type == BTN_TOOL_PEN)
61 		return false;
62 
63 	/* a non-pen tool requires the pen to be in proximity as well.  */
64 	x = litest_scale(d, ABS_X, x);
65 	y = litest_scale(d, ABS_Y, y);
66 	litest_event(d, EV_ABS, ABS_X, x);
67 	litest_event(d, EV_ABS, ABS_X, y);
68 	litest_event(d, EV_KEY, BTN_TOOL_PEN, 1);
69 	litest_event(d, EV_SYN, SYN_REPORT, 0);
70 
71 	/* litest will append the proximity_in_events if we return false,
72 	 * including the right tool event */
73 	return false;
74 }
75 
76 static bool
proximity_out(struct litest_device * d,unsigned int tool_type)77 proximity_out(struct litest_device *d, unsigned int tool_type)
78 {
79 	/* a non-pen tool requires the pen to go out of proximity as well.
80 	 * litest will append the proximity_out_events if we return false
81 	 */
82 	if (tool_type != BTN_TOOL_PEN)
83 		litest_event(d, EV_KEY, BTN_TOOL_PEN, 0);
84 
85 	return false;
86 }
87 
88 static int
get_axis_default(struct litest_device * d,unsigned int evcode,int32_t * value)89 get_axis_default(struct litest_device *d, unsigned int evcode, int32_t *value)
90 {
91 	switch (evcode) {
92 	case ABS_PRESSURE:
93 		*value = 100;
94 		return 0;
95 	}
96 	return 1;
97 }
98 
99 static struct litest_device_interface interface = {
100 	.tablet_proximity_in_events = proximity_in_events,
101 	.tablet_proximity_out_events = proximity_out_events,
102 	.tablet_motion_events = motion_events,
103 	.tablet_proximity_in = proximity_in,
104 	.tablet_proximity_out = proximity_out,
105 
106 	.get_axis_default = get_axis_default,
107 };
108 
109 static struct input_absinfo absinfo[] = {
110 	{ ABS_X, 0, 18176, 0, 0, 62 },
111 	{ ABS_Y, 0, 10240, 0, 0, 62 },
112 	{ ABS_PRESSURE, 0, 4096, 0, 0, 0 },
113 	{ .value = -1 },
114 };
115 
116 static struct input_id input_id = {
117 	.bustype = 0x18,
118 	.vendor = 0x4f3,
119 	.product = 0x23b9,
120 	.version = 0x100,
121 };
122 
123 /* Note: this tablet is one that sets both BTN_TOOL_PEN and BTN_TOOL_RUBBER,
124  * see https://gitlab.freedesktop.org/libinput/libinput/-/issues/259
125  * The one in the issue isn't the exact same model, but only the pid and x/y
126  * axis max differs differs.
127  */
128 static int events[] = {
129 	EV_KEY, BTN_TOOL_PEN,
130 	EV_KEY, BTN_TOOL_RUBBER,
131 	EV_KEY, BTN_TOUCH,
132 	EV_KEY, BTN_STYLUS,
133 	EV_MSC, MSC_SCAN,
134 	-1, -1,
135 };
136 
137 TEST_DEVICE("elan-tablet",
138 	.type = LITEST_ELAN_TABLET,
139 	.features = LITEST_TABLET,
140 	.interface = &interface,
141 
142 	.name = "ELAN2514:00 04F3:23B9",
143 	.id = &input_id,
144 	.events = events,
145 	.absinfo = absinfo,
146 )
147