diff options
Diffstat (limited to 'drivers/hid/hid-logitech.c')
| -rw-r--r-- | drivers/hid/hid-logitech.c | 312 |
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"); |