HID: move logitech quirks

Move them from the core and input code to a separate driver.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 312 insertions, 0 deletions

diff --git a/drivers/hid/hid-logitech.c b/drivers/hid/hid-logitech.c
new file mode 100644
index 000000000000..395e42ffb4d5
--- /dev/null
+++ b/drivers/hid/hid-logitech.c
@@ -0,0 +1,312 @@
+/*
+ *  HID driver for some logitech "special" devices
+ *
+ *  Copyright (c) 1999 Andreas Gal
+ *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
+ *  Copyright (c) 2006-2007 Jiri Kosina
+ *  Copyright (c) 2007 Paul Walmsley
+ *  Copyright (c) 2008 Jiri Slaby
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+#define LG_RDESC		0x001
+#define LG_BAD_RELATIVE_KEYS	0x002
+#define LG_DUPLICATE_USAGES	0x004
+#define LG_RESET_LEDS		0x008
+#define LG_EXPANDED_KEYMAP	0x010
+#define LG_IGNORE_DOUBLED_WHEEL	0x020
+#define LG_WIRELESS		0x040
+#define LG_INVERT_HWHEEL	0x080
+#define LG_NOGET		0x100
+
+/*
+ * Certain Logitech keyboards send in report #3 keys which are far
+ * above the logical maximum described in descriptor. This extends
+ * the original value of 0x28c of logical maximum to 0x104d
+ */
+static void lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+		unsigned int rsize)
+{
+	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+
+	if ((quirks & LG_RDESC) && rsize >= 90 && rdesc[83] == 0x26 &&
+			rdesc[84] == 0x8c && rdesc[85] == 0x02) {
+		dev_info(&hdev->dev, "fixing up Logitech keyboard report "
+				"descriptor\n");
+		rdesc[84] = rdesc[89] = 0x4d;
+		rdesc[85] = rdesc[90] = 0x10;
+	}
+}
+
+#define lg_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
+		EV_KEY, (c))
+
+static int lg_ultrax_remote_mapping(struct hid_input *hi,
+		struct hid_usage *usage, unsigned long **bit, int *max)
+{
+	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
+		return 0;
+
+	set_bit(EV_REP, hi->input->evbit);
+	switch (usage->hid & HID_USAGE) {
+	/* Reported on Logitech Ultra X Media Remote */
+	case 0x004: lg_map_key_clear(KEY_AGAIN);	break;
+	case 0x00d: lg_map_key_clear(KEY_HOME);		break;
+	case 0x024: lg_map_key_clear(KEY_SHUFFLE);	break;
+	case 0x025: lg_map_key_clear(KEY_TV);		break;
+	case 0x026: lg_map_key_clear(KEY_MENU);		break;
+	case 0x031: lg_map_key_clear(KEY_AUDIO);	break;
+	case 0x032: lg_map_key_clear(KEY_TEXT);		break;
+	case 0x033: lg_map_key_clear(KEY_LAST);		break;
+	case 0x047: lg_map_key_clear(KEY_MP3);		break;
+	case 0x048: lg_map_key_clear(KEY_DVD);		break;
+	case 0x049: lg_map_key_clear(KEY_MEDIA);	break;
+	case 0x04a: lg_map_key_clear(KEY_VIDEO);	break;
+	case 0x04b: lg_map_key_clear(KEY_ANGLE);	break;
+	case 0x04c: lg_map_key_clear(KEY_LANGUAGE);	break;
+	case 0x04d: lg_map_key_clear(KEY_SUBTITLE);	break;
+	case 0x051: lg_map_key_clear(KEY_RED);		break;
+	case 0x052: lg_map_key_clear(KEY_CLOSE);	break;
+
+	default:
+		return 0;
+	}
+	return 1;
+}
+
+static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
+		return 0;
+
+	switch (usage->hid & HID_USAGE) {
+	case 0x1001: lg_map_key_clear(KEY_MESSENGER);		break;
+	case 0x1003: lg_map_key_clear(KEY_SOUND);		break;
+	case 0x1004: lg_map_key_clear(KEY_VIDEO);		break;
+	case 0x1005: lg_map_key_clear(KEY_AUDIO);		break;
+	case 0x100a: lg_map_key_clear(KEY_DOCUMENTS);		break;
+	case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG);	break;
+	case 0x1012: lg_map_key_clear(KEY_NEXTSONG);		break;
+	case 0x1013: lg_map_key_clear(KEY_CAMERA);		break;
+	case 0x1014: lg_map_key_clear(KEY_MESSENGER);		break;
+	case 0x1015: lg_map_key_clear(KEY_RECORD);		break;
+	case 0x1016: lg_map_key_clear(KEY_PLAYER);		break;
+	case 0x1017: lg_map_key_clear(KEY_EJECTCD);		break;
+	case 0x1018: lg_map_key_clear(KEY_MEDIA);		break;
+	case 0x1019: lg_map_key_clear(KEY_PROG1);		break;
+	case 0x101a: lg_map_key_clear(KEY_PROG2);		break;
+	case 0x101b: lg_map_key_clear(KEY_PROG3);		break;
+	case 0x101f: lg_map_key_clear(KEY_ZOOMIN);		break;
+	case 0x1020: lg_map_key_clear(KEY_ZOOMOUT);		break;
+	case 0x1021: lg_map_key_clear(KEY_ZOOMRESET);		break;
+	case 0x1023: lg_map_key_clear(KEY_CLOSE);		break;
+	case 0x1027: lg_map_key_clear(KEY_MENU);		break;
+	/* this one is marked as 'Rotate' */
+	case 0x1028: lg_map_key_clear(KEY_ANGLE);		break;
+	case 0x1029: lg_map_key_clear(KEY_SHUFFLE);		break;
+	case 0x102a: lg_map_key_clear(KEY_BACK);		break;
+	case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS);	break;
+	case 0x1041: lg_map_key_clear(KEY_BATTERY);		break;
+	case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR);	break;
+	case 0x1043: lg_map_key_clear(KEY_SPREADSHEET);		break;
+	case 0x1044: lg_map_key_clear(KEY_PRESENTATION);	break;
+	case 0x1045: lg_map_key_clear(KEY_UNDO);		break;
+	case 0x1046: lg_map_key_clear(KEY_REDO);		break;
+	case 0x1047: lg_map_key_clear(KEY_PRINT);		break;
+	case 0x1048: lg_map_key_clear(KEY_SAVE);		break;
+	case 0x1049: lg_map_key_clear(KEY_PROG1);		break;
+	case 0x104a: lg_map_key_clear(KEY_PROG2);		break;
+	case 0x104b: lg_map_key_clear(KEY_PROG3);		break;
+	case 0x104c: lg_map_key_clear(KEY_PROG4);		break;
+
+	default:
+		return 0;
+	}
+	return 1;
+}
+
+static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	/* extended mapping for certain Logitech hardware (Logitech cordless
+	   desktop LX500) */
+	static const u8 e_keymap[] = {
+		  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
+	};
+	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+	unsigned int hid = usage->hid;
+
+	if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
+			lg_ultrax_remote_mapping(hi, usage, bit, max))
+		return 1;
+
+	if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
+		return 1;
+
+	if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
+		return 0;
+
+	hid &= HID_USAGE;
+
+	/* Special handling for Logitech Cordless Desktop */
+	if (field->application == HID_GD_MOUSE) {
+		if ((quirks & LG_IGNORE_DOUBLED_WHEEL) &&
+				(hid == 7 || hid == 8))
+			return -1;
+	} else {
+		if ((quirks & LG_EXPANDED_KEYMAP) &&
+				hid < ARRAY_SIZE(e_keymap) &&
+				e_keymap[hid] != 0) {
+			hid_map_usage(hi, usage, bit, max, EV_KEY,
+					e_keymap[hid]);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
+		struct hid_field *field, struct hid_usage *usage,
+		unsigned long **bit, int *max)
+{
+	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+
+	if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
+			(field->flags & HID_MAIN_ITEM_RELATIVE))
+		field->flags &= ~HID_MAIN_ITEM_RELATIVE;
+
+	if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
+			 usage->type == EV_REL || usage->type == EV_ABS))
+		clear_bit(usage->code, *bit);
+
+	return 0;
+}
+
+static int lg_event(struct hid_device *hdev, struct hid_field *field,
+		struct hid_usage *usage, __s32 value)
+{
+	unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+
+	if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
+		input_event(field->hidinput->input, usage->type, usage->code,
+				-value);
+		return 1;
+	}
+
+	return 0;
+}
+
+static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	unsigned long quirks = id->driver_data;
+	int ret;
+
+	hid_set_drvdata(hdev, (void *)quirks);
+
+	if (quirks & LG_RESET_LEDS)
+		hdev->quirks |= HID_QUIRK_RESET_LEDS;
+	if (quirks & LG_NOGET)
+		hdev->quirks |= HID_QUIRK_NOGET;
+
+	ret = hid_parse(hdev);
+	if (ret) {
+		dev_err(&hdev->dev, "parse failed\n");
+		goto err_free;
+	}
+
+	ret = hid_hw_start(hdev);
+	if (ret) {
+		dev_err(&hdev->dev, "hw start failed\n");
+		goto err_free;
+	}
+
+	return 0;
+err_free:
+	return ret;
+}
+
+static const struct hid_device_id lg_devices[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
+		.driver_data = LG_RDESC | LG_WIRELESS },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
+		.driver_data = LG_RDESC | LG_WIRELESS },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
+		.driver_data = LG_RDESC | LG_WIRELESS },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
+		.driver_data = LG_BAD_RELATIVE_KEYS },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
+		.driver_data = LG_DUPLICATE_USAGES },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
+		.driver_data = LG_DUPLICATE_USAGES },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
+		.driver_data = LG_DUPLICATE_USAGES },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD),
+		.driver_data = LG_RESET_LEDS },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
+		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
+		.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_LX3),
+		.driver_data = LG_INVERT_HWHEEL },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_V150),
+		.driver_data = LG_INVERT_HWHEEL },
+
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
+		.driver_data = LG_NOGET },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),
+		.driver_data = LG_NOGET },
+	{ }
+};
+MODULE_DEVICE_TABLE(hid, lg_devices);
+
+static struct hid_driver lg_driver = {
+	.name = "logitech",
+	.id_table = lg_devices,
+	.report_fixup = lg_report_fixup,
+	.input_mapping = lg_input_mapping,
+	.input_mapped = lg_input_mapped,
+	.event = lg_event,
+	.probe = lg_probe,
+};
+
+static int lg_init(void)
+{
+	return hid_register_driver(&lg_driver);
+}
+
+static void lg_exit(void)
+{
+	hid_unregister_driver(&lg_driver);
+}
+
+module_init(lg_init);
+module_exit(lg_exit);
+MODULE_LICENSE("GPL");