linux-old/drivers/usb/hid-debug.h
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   1/*
   2 * $Id: hid-debug.h,v 1.3 2001/05/10 15:56:07 vojtech Exp $
   3 *
   4 *  (c) 1999 Andreas Gal                <gal@cs.uni-magdeburg.de>
   5 *  (c) 2000-2001 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
  32struct hid_usage_entry {
  33        unsigned  page;
  34        unsigned  usage;
  35        char     *description;
  36};
  37
  38static 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
 118static 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
 129static 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
 150static 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
 199static 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        for (i = 0; i < device->maxapplication; i++) {
 207                printk("Application(");
 208                resolv_usage(device->application[i]);
 209                printk(")\n");
 210        }
 211
 212        for (i = 0; i < HID_REPORT_TYPES; i++) {
 213                report_enum = device->report_enum + i;
 214                list = report_enum->report_list.next;
 215                while (list != &report_enum->report_list) {
 216                        report = (struct hid_report *) list;
 217                        tab(2);
 218                        printk("%s", table[i]);
 219                        if (report->id)
 220                                printk("(%d)", report->id);
 221                        printk("[%s]", table[report->type]);
 222                        printk("\n");
 223                        for (k = 0; k < report->maxfield; k++) {
 224                                tab(4);
 225                                printk("Field(%d)\n", k);
 226                                hid_dump_field(report->field[k], 6);
 227                        }
 228                        list = list->next;
 229                }
 230        }
 231}
 232
 233static void hid_dump_input(struct hid_usage *usage, __s32 value) {
 234        printk("hid-debug: input ");
 235        resolv_usage(usage->hid);
 236        printk(" = %d\n", value);
 237}
 238
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