X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fhid%2Fhid-input.c;h=8edbd30cf7955bcb54e80d2ce42fe6f2f545b8e2;hb=7806cdb40fd562e5dcc07321579b62a5dc7cd95c;hp=a19b65ed3119873548664c160f9f6f700f45843d;hpb=85cbea3952135ecad4b47cb6cc57e25279129e2d;p=linux-2.6

diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index a19b65ed31..8edbd30cf7 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -60,6 +60,19 @@ static const unsigned char hid_keyboard[256] = {
 	150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
 };
 
+/* extended mapping for certain Logitech hardware (Logitech cordless desktop LX500) */
+#define LOGITECH_EXPANDED_KEYMAP_SIZE 80
+static int logitech_expanded_keymap[LOGITECH_EXPANDED_KEYMAP_SIZE] = {
+	  0,216,  0,213,175,156,  0,  0,  0,  0,
+	144,  0,  0,  0,  0,  0,  0,  0,  0,212,
+	174,167,152,161,112,  0,  0,  0,154,  0,
+	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+	  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+	  0,  0,  0,  0,  0,183,184,185,186,187,
+	188,189,190,191,192,193,194,  0,  0,  0
+};
+
 static const struct {
 	__s32 x;
 	__s32 y;
@@ -240,21 +253,100 @@ static inline void hidinput_pb_setup(struct input_dev *input)
 }
 #endif
 
+static inline int match_scancode(int code, int scancode)
+{
+	if (scancode == 0)
+		return 1;
+	return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
+}
+
+static inline int match_keycode(int code, int keycode)
+{
+	if (keycode == 0)
+		return 1;
+	return (code == keycode);
+}
+
+static struct hid_usage *hidinput_find_key(struct hid_device *hid,
+		int scancode, int keycode)
+{
+	int i, j, k;
+	struct hid_report *report;
+	struct hid_usage *usage;
+
+	for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
+		list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
+			for (i = 0; i < report->maxfield; i++) {
+				for ( j = 0; j < report->field[i]->maxusage; j++) {
+					usage = report->field[i]->usage + j;
+					if (usage->type == EV_KEY &&
+						match_scancode(usage->hid, scancode) &&
+						match_keycode(usage->code, keycode))
+						return usage;
+				}
+			}
+		}
+	}
+	return NULL;
+}
+
+static int hidinput_getkeycode(struct input_dev *dev, int scancode,
+				int *keycode)
+{
+	struct hid_device *hid = dev->private;
+	struct hid_usage *usage;
+	
+	usage = hidinput_find_key(hid, scancode, 0);
+	if (usage) {
+		*keycode = usage->code;
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static int hidinput_setkeycode(struct input_dev *dev, int scancode,
+				int keycode)
+{
+	struct hid_device *hid = dev->private;
+	struct hid_usage *usage;
+	int old_keycode;
+	
+	if (keycode < 0 || keycode > KEY_MAX)
+		return -EINVAL;
+	
+	usage = hidinput_find_key(hid, scancode, 0);
+	if (usage) {
+		old_keycode = usage->code;
+		usage->code = keycode;
+		
+		clear_bit(old_keycode, dev->keybit);
+		set_bit(usage->code, dev->keybit);
+		dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
+		/* Set the keybit for the old keycode if the old keycode is used
+		 * by another key */
+		if (hidinput_find_key (hid, 0, old_keycode))
+			set_bit(old_keycode, dev->keybit);
+		
+		return 0;
+	}
+	
+	return -EINVAL;
+}
+
+
 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
 				     struct hid_usage *usage)
 {
 	struct input_dev *input = hidinput->input;
-	struct hid_device *device = input->private;
+	struct hid_device *device = input_get_drvdata(input);
 	int max = 0, code;
 	unsigned long *bit = NULL;
 
 	field->hidinput = hidinput;
 
-#ifdef CONFIG_HID_DEBUG
-	printk(KERN_DEBUG "Mapping: ");
+	dbg_hid("Mapping: ");
 	hid_resolv_usage(usage->hid);
-	printk(" ---> ");
-#endif
+	dbg_hid_line(" ---> ");
 
 	if (field->flags & HID_MAIN_ITEM_CONSTANT)
 		goto ignore;
@@ -295,6 +387,21 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 					}
 			}
 
+			/* Special handling for Logitech Cordless Desktop */
+			if (field->application != HID_GD_MOUSE) {
+				if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) {
+					int hid = usage->hid & HID_USAGE;
+					if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0)
+						code = logitech_expanded_keymap[hid];
+				}
+			} else {
+				if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) {
+					int hid = usage->hid & HID_USAGE;
+					if (hid == 7 || hid == 8)
+						goto ignore;
+				}
+			}
+
 			map_key(code);
 			break;
 
@@ -483,6 +590,11 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 				case 0x0e5: map_key_clear(KEY_BASSBOOST);	break;
 				case 0x0e9: map_key_clear(KEY_VOLUMEUP);	break;
 				case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);	break;
+
+				/* reserved in HUT 1.12. Reported on Petalynx remote */
+				case 0x0f6: map_key_clear(KEY_NEXT);		break;
+				case 0x0fa: map_key_clear(KEY_BACK);		break;
+
 				case 0x183: map_key_clear(KEY_CONFIG);		break;
 				case 0x184: map_key_clear(KEY_WORDPROCESSOR);	break;
 				case 0x185: map_key_clear(KEY_EDITOR);		break;
@@ -515,7 +627,9 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 				case 0x21b: map_key_clear(KEY_COPY);		break;
 				case 0x21c: map_key_clear(KEY_CUT);		break;
 				case 0x21d: map_key_clear(KEY_PASTE);		break;
-				case 0x221: map_key_clear(KEY_FIND);		break;
+				case 0x21f: map_key_clear(KEY_FIND);		break;
+				case 0x221: map_key_clear(KEY_SEARCH);		break;
+				case 0x222: map_key_clear(KEY_GOTO);		break;
 				case 0x223: map_key_clear(KEY_HOMEPAGE);	break;
 				case 0x224: map_key_clear(KEY_BACK);		break;
 				case 0x225: map_key_clear(KEY_FORWARD);		break;
@@ -553,6 +667,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 				case 0x1015: map_key_clear(KEY_RECORD);		break;
 				case 0x1016: map_key_clear(KEY_PLAYER);		break;
 				case 0x1017: map_key_clear(KEY_EJECTCD);	break;
+				case 0x1018: map_key_clear(KEY_MEDIA);          break;
 				case 0x1019: map_key_clear(KEY_PROG1);		break;
 				case 0x101a: map_key_clear(KEY_PROG2);		break;
 				case 0x101b: map_key_clear(KEY_PROG3);		break;
@@ -560,9 +675,12 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 				case 0x1020: map_key_clear(KEY_ZOOMOUT);	break;
 				case 0x1021: map_key_clear(KEY_ZOOMRESET);	break;
 				case 0x1023: map_key_clear(KEY_CLOSE);		break;
+				case 0x1027: map_key_clear(KEY_MENU);           break;
 				/* this one is marked as 'Rotate' */
 				case 0x1028: map_key_clear(KEY_ANGLE);		break;
 				case 0x1029: map_key_clear(KEY_SHUFFLE);	break;
+				case 0x102a: map_key_clear(KEY_BACK);           break;
+				case 0x102b: map_key_clear(KEY_CYCLEWINDOWS);   break;
 				case 0x1041: map_key_clear(KEY_BATTERY);	break;
 				case 0x1042: map_key_clear(KEY_WORDPROCESSOR);	break;
 				case 0x1043: map_key_clear(KEY_SPREADSHEET);	break;
@@ -601,7 +719,28 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 			break;
 
 		case HID_UP_MSVENDOR:
-			goto ignore;
+
+			/* special case - Chicony Chicony KU-0418 tactical pad */
+			if (device->vendor == 0x04f2 && device->product == 0x0418) {
+				set_bit(EV_REP, input->evbit);
+				switch(usage->hid & HID_USAGE) {
+					case 0xff01: map_key_clear(BTN_1);		break;
+					case 0xff02: map_key_clear(BTN_2);		break;
+					case 0xff03: map_key_clear(BTN_3);		break;
+					case 0xff04: map_key_clear(BTN_4);		break;
+					case 0xff05: map_key_clear(BTN_5);		break;
+					case 0xff06: map_key_clear(BTN_6);		break;
+					case 0xff07: map_key_clear(BTN_7);		break;
+					case 0xff08: map_key_clear(BTN_8);		break;
+					case 0xff09: map_key_clear(BTN_9);		break;
+					case 0xff0a: map_key_clear(BTN_A);		break;
+					case 0xff0b: map_key_clear(BTN_B);		break;
+					default:    goto ignore;
+				}
+			} else {
+				goto ignore;
+			}
+			break;
 
 		case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
 
@@ -617,10 +756,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 			}
 			break;
 
-		case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */
-
+		case HID_UP_LOGIVENDOR:
 			set_bit(EV_REP, input->evbit);
 			switch(usage->hid & HID_USAGE) {
+				/* Reported on Logitech Ultra X Media Remote */
 				case 0x004: map_key_clear(KEY_AGAIN);		break;
 				case 0x00d: map_key_clear(KEY_HOME);		break;
 				case 0x024: map_key_clear(KEY_SHUFFLE);		break;
@@ -638,6 +777,14 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 				case 0x04d: map_key_clear(KEY_SUBTITLE);	break;
 				case 0x051: map_key_clear(KEY_RED);		break;
 				case 0x052: map_key_clear(KEY_CLOSE);		break;
+
+				/* Reported on Petalynx Maxter remote */
+				case 0x05a: map_key_clear(KEY_TEXT);		break;
+				case 0x05b: map_key_clear(KEY_RED);		break;
+				case 0x05c: map_key_clear(KEY_GREEN);		break;
+				case 0x05d: map_key_clear(KEY_YELLOW);		break;
+				case 0x05e: map_key_clear(KEY_BLUE);		break;
+
 				default:    goto ignore;
 			}
 			break;
@@ -731,16 +878,24 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 			field->dpad = usage->code;
 	}
 
+	/* for those devices which produce Consumer volume usage as relative,
+	 * we emulate pressing volumeup/volumedown appropriate number of times
+	 * in hidinput_hid_event()
+	 */
+	if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
+			(usage->code == ABS_VOLUME)) {
+		set_bit(KEY_VOLUMEUP, input->keybit);
+		set_bit(KEY_VOLUMEDOWN, input->keybit);
+	}
+
 	hid_resolv_event(usage->type, usage->code);
-#ifdef CONFIG_HID_DEBUG
-	printk("\n");
-#endif
+
+	dbg_hid_line("\n");
+
 	return;
 
 ignore:
-#ifdef CONFIG_HID_DEBUG
-	printk("IGNORED\n");
-#endif
+	dbg_hid_line("IGNORED\n");
 	return;
 }
 
@@ -809,18 +964,33 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
 	}
 
 	if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
-		dbg("Maximum Effects - %d",value);
+		dbg_hid("Maximum Effects - %d\n",value);
 		return;
 	}
 
 	if (usage->hid == (HID_UP_PID | 0x7fUL)) {
-		dbg("PID Pool Report\n");
+		dbg_hid("PID Pool Report\n");
 		return;
 	}
 
 	if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
 		return;
 
+	if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
+			(usage->code == ABS_VOLUME)) {
+		int count = abs(value);
+		int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
+		int i;
+
+		for (i = 0; i < count; i++) {
+			input_event(input, EV_KEY, direction, 1);
+			input_sync(input);
+			input_event(input, EV_KEY, direction, 0);
+			input_sync(input);
+		}
+		return;
+	}
+
 	input_event(input, usage->type, usage->code, value);
 
 	if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
@@ -855,13 +1025,15 @@ EXPORT_SYMBOL_GPL(hidinput_find_field);
 
 static int hidinput_open(struct input_dev *dev)
 {
-	struct hid_device *hid = dev->private;
+	struct hid_device *hid = input_get_drvdata(dev);
+
 	return hid->hid_open(hid);
 }
 
 static void hidinput_close(struct input_dev *dev)
 {
-	struct hid_device *hid = dev->private;
+	struct hid_device *hid = input_get_drvdata(dev);
+
 	hid->hid_close(hid);
 }
 
@@ -887,7 +1059,7 @@ int hidinput_connect(struct hid_device *hid)
 			if (IS_INPUT_APPLICATION(hid->collection[i].usage))
 				break;
 
-	if (i == hid->maxcollection)
+	if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0)
 		return -1;
 
 	if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
@@ -905,14 +1077,16 @@ int hidinput_connect(struct hid_device *hid)
 				if (!hidinput || !input_dev) {
 					kfree(hidinput);
 					input_free_device(input_dev);
-					err("Out of memory during hid input probe");
+					err_hid("Out of memory during hid input probe");
 					return -1;
 				}
 
-				input_dev->private = hid;
+				input_set_drvdata(input_dev, hid);
 				input_dev->event = hid->hidinput_input_event;
 				input_dev->open = hidinput_open;
 				input_dev->close = hidinput_close;
+				input_dev->setkeycode = hidinput_setkeycode;
+				input_dev->getkeycode = hidinput_getkeycode;
 
 				input_dev->name = hid->name;
 				input_dev->phys = hid->phys;
@@ -921,7 +1095,7 @@ int hidinput_connect(struct hid_device *hid)
 				input_dev->id.vendor  = hid->vendor;
 				input_dev->id.product = hid->product;
 				input_dev->id.version = hid->version;
-				input_dev->cdev.dev = hid->dev;
+				input_dev->dev.parent = hid->dev;
 				hidinput->input = input_dev;
 				list_add_tail(&hidinput->list, &hid->inputs);
 			}