1 /*
2 * $Id: hid-debug.h,v 1.2 2000/05/29 10:54:53 vojtech Exp $
3 *
4 * (c) 1999 Andreas Gal <gal@cs.uni-magdeburg.de>
5 * (c) 2000 Vojtech Pavlik <vojtech@suse.cz>
6 *
7 * Some debug stuff for the HID parser.
8 *
9 * Sponsored by SuSE
10 */
11
12 /*
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 *
27 * Should you need to contact me, the author, you can do so either by
28 * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
29 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
30 */
31
32 struct hid_usage_entry {
33 unsigned page;
34 unsigned usage;
35 char *description;
36 };
37
38 static struct hid_usage_entry hid_usage_table[] = {
39 { 1, 0, "GenericDesktop" },
40 {0, 0x01, "Pointer"},
41 {0, 0x02, "Mouse"},
42 {0, 0x04, "Joystick"},
43 {0, 0x05, "GamePad"},
44 {0, 0x06, "Keyboard"},
45 {0, 0x07, "Keypad"},
46 {0, 0x08, "MultiAxis"},
47 {0, 0x30, "X"},
48 {0, 0x31, "Y"},
49 {0, 0x32, "Z"},
50 {0, 0x33, "Rx"},
51 {0, 0x34, "Ry"},
52 {0, 0x35, "Rz"},
53 {0, 0x36, "Slider"},
54 {0, 0x37, "Dial"},
55 {0, 0x38, "Wheel"},
56 {0, 0x39, "HatSwitch"},
57 {0, 0x3a, "CountedBuffer"},
58 {0, 0x3b, "ByteCount"},
59 {0, 0x3c, "MotionWakeup"},
60 {0, 0x3d, "Start"},
61 {0, 0x3e, "Select"},
62 {0, 0x40, "Vx"},
63 {0, 0x41, "Vy"},
64 {0, 0x42, "Vz"},
65 {0, 0x43, "Vbrx"},
66 {0, 0x44, "Vbry"},
67 {0, 0x45, "Vbrz"},
68 {0, 0x46, "Vno"},
69 {0, 0x80, "SystemControl"},
70 {0, 0x81, "SystemPowerDown"},
71 {0, 0x82, "SystemSleep"},
72 {0, 0x83, "SystemWakeUp"},
73 {0, 0x84, "SystemContextMenu"},
74 {0, 0x85, "SystemMainMenu"},
75 {0, 0x86, "SystemAppMenu"},
76 {0, 0x87, "SystemMenuHelp"},
77 {0, 0x88, "SystemMenuExit"},
78 {0, 0x89, "SystemMenuSelect"},
79 {0, 0x8a, "SystemMenuRight"},
80 {0, 0x8b, "SystemMenuLeft"},
81 {0, 0x8c, "SystemMenuUp"},
82 {0, 0x8d, "SystemMenuDown"},
83 {0, 0x90, "D-padUp"},
84 {0, 0x91, "D-padDown"},
85 {0, 0x92, "D-padRight"},
86 {0, 0x93, "D-padLeft"},
87 { 7, 0, "Keyboard" },
88 { 8, 0, "LED" },
89 { 9, 0, "Button" },
90 { 12, 0, "Hotkey" },
91 { 13, 0, "Digitizers" },
92 {0, 0x01, "Digitizer"},
93 {0, 0x02, "Pen"},
94 {0, 0x03, "LightPen"},
95 {0, 0x04, "TouchScreen"},
96 {0, 0x05, "TouchPad"},
97 {0, 0x20, "Stylus"},
98 {0, 0x21, "Puck"},
99 {0, 0x22, "Finger"},
100 {0, 0x30, "TipPressure"},
101 {0, 0x31, "BarrelPressure"},
102 {0, 0x32, "InRange"},
103 {0, 0x33, "Touch"},
104 {0, 0x34, "UnTouch"},
105 {0, 0x35, "Tap"},
106 {0, 0x39, "TabletFunctionKey"},
107 {0, 0x3a, "ProgramChangeKey"},
108 {0, 0x3c, "Invert"},
109 {0, 0x42, "TipSwitch"},
110 {0, 0x43, "SecondaryTipSwitch"},
111 {0, 0x44, "BarrelSwitch"},
112 {0, 0x45, "Eraser"},
113 {0, 0x46, "TabletPick"},
114 { 15, 0, "PhysicalInterfaceDevice" },
115 { 0, 0, NULL }
116 };
117
118 static void resolv_usage_page(unsigned page) {
119 struct hid_usage_entry *p;
120
121 for (p = hid_usage_table; p->description; p++)
122 if (p->page == page) {
123 printk("%s", p->description);
124 return;
125 }
126 printk("%04x", page);
127 }
128
129 static void resolv_usage(unsigned usage) {
130 struct hid_usage_entry *p;
131
132 resolv_usage_page(usage >> 16);
133 printk(".");
134 for (p = hid_usage_table; p->description; p++)
135 if (p->page == (usage >> 16)) {
136 for(++p; p->description && p->page == 0; p++)
137 if (p->usage == (usage & 0xffff)) {
138 printk("%s", p->description);
139 return;
140 }
141 break;
142 }
143 printk("%04x", usage & 0xffff);
144 }
145
146 __inline__ static void tab(int n) {
147 while (n--) printk(" ");
148 }
149
150 static void hid_dump_field(struct hid_field *field, int n) {
151 int j;
152
153 if (field->physical) {
154 tab(n);
155 printk("Physical(");
156 resolv_usage(field->physical); printk(")\n");
157 }
158 if (field->logical) {
159 tab(n);
160 printk("Logical(");
161 resolv_usage(field->logical); printk(")\n");
162 }
163 tab(n); printk("Usage(%d)\n", field->maxusage);
164 for (j = 0; j < field->maxusage; j++) {
165 tab(n+2);resolv_usage(field->usage[j].hid); printk("\n");
166 }
167 if (field->logical_minimum != field->logical_maximum) {
168 tab(n); printk("Logical Minimum(%d)\n", field->logical_minimum);
169 tab(n); printk("Logical Maximum(%d)\n", field->logical_maximum);
170 }
171 if (field->physical_minimum != field->physical_maximum) {
172 tab(n); printk("Physical Minimum(%d)\n", field->physical_minimum);
173 tab(n); printk("Physical Maximum(%d)\n", field->physical_maximum);
174 }
175 if (field->unit_exponent) {
176 tab(n); printk("Unit Exponent(%d)\n", field->unit_exponent);
177 }
178 if (field->unit) {
179 tab(n); printk("Unit(%u)\n", field->unit);
180 }
181 tab(n); printk("Report Size(%u)\n", field->report_size);
182 tab(n); printk("Report Count(%u)\n", field->report_count);
183 tab(n); printk("Report Offset(%u)\n", field->report_offset);
184
185 tab(n); printk("Flags( ");
186 j = field->flags;
187 printk("%s", HID_MAIN_ITEM_CONSTANT & j ? "Constant " : "");
188 printk("%s", HID_MAIN_ITEM_VARIABLE & j ? "Variable " : "Array ");
189 printk("%s", HID_MAIN_ITEM_RELATIVE & j ? "Relative " : "Absolute ");
190 printk("%s", HID_MAIN_ITEM_WRAP & j ? "Wrap " : "");
191 printk("%s", HID_MAIN_ITEM_NONLINEAR & j ? "NonLinear " : "");
192 printk("%s", HID_MAIN_ITEM_NO_PREFERRED & j ? "NoPrefferedState " : "");
193 printk("%s", HID_MAIN_ITEM_NULL_STATE & j ? "NullState " : "");
194 printk("%s", HID_MAIN_ITEM_VOLATILE & j ? "Volatile " : "");
195 printk("%s", HID_MAIN_ITEM_BUFFERED_BYTE & j ? "BufferedByte " : "");
196 printk(")\n");
197 }
198
199 void hid_dump_device(struct hid_device *device) {
200 struct hid_report_enum *report_enum;
201 struct hid_report *report;
202 struct list_head *list;
203 unsigned i,k;
204 static char *table[] = {"INPUT", "OUTPUT", "FEATURE"};
205
206 printk("Application(");
207 resolv_usage(device->application);
208 printk(")\n");
209
210 for (i = 0; i < HID_REPORT_TYPES; i++) {
211 report_enum = device->report_enum + i;
212 list = report_enum->report_list.next;
213 while (list != &report_enum->report_list) {
214 report = (struct hid_report *) list;
215 tab(2);
216 printk("%s", table[i]);
217 if (report->id)
218 printk("(%d)", report->id);
219 printk("[%s]", table[report->type]);
220 printk("\n");
221 for (k = 0; k < report->maxfield; k++) {
222 tab(4);
223 printk("Field(%d)\n", k);
224 hid_dump_field(report->field[k], 6);
225 }
226 list = list->next;
227 }
228 }
229 }
230
231 void hid_dump_input(struct hid_usage *usage, __s32 value) {
232 printk("hidd: input ");
233 resolv_usage(usage->hid);
234 printk(" = %d\n", value);
235 }
236
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.