diff options
| -rw-r--r-- | drivers/hid/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/hid/Makefile | 1 | ||||
| -rw-r--r-- | drivers/hid/hid-core.c | 1 | ||||
| -rw-r--r-- | drivers/hid/hid-dummy.c | 3 | ||||
| -rw-r--r-- | drivers/hid/hid-samsung.c | 101 | ||||
| -rw-r--r-- | drivers/hid/usbhid/hid-quirks.c | 33 | ||||
| -rw-r--r-- | include/linux/hid.h | 6 |
7 files changed, 113 insertions, 39 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 4dcb92a..52b617b 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -175,6 +175,13 @@ config HID_PETALYNX ---help--- Support for Petalynx Maxter remote. +config HID_SAMSUNG + tristate "Samsung" + default m + depends on USB_HID + ---help--- + Support for Samsung IR remote. + config HID_SUNPLUS tristate "Sunplus" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 50a06f7..735c371 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o +obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o obj-$(CONFIG_USB_HID) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 53f3056..1b43af0 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1194,6 +1194,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 1c9e7c2..cd21dcc 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -40,6 +40,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_PETALYNX_MODULE HID_COMPAT_CALL_DRIVER(petalynx); #endif +#ifdef CONFIG_HID_SAMSUNG_MODULE + HID_COMPAT_CALL_DRIVER(samsung); +#endif #ifdef CONFIG_HID_SUNPLUS_MODULE HID_COMPAT_CALL_DRIVER(sunplus); #endif diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c new file mode 100644 index 0000000..8771bfa --- /dev/null +++ b/drivers/hid/hid-samsung.c @@ -0,0 +1,101 @@ +/* + * HID driver for some samsung "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" + +/* + * Samsung IrDA remote controller (reports as Cypress USB Mouse). + * + * Vendor specific report #4 has a size of 48 bit, + * and therefore is not accepted when inspecting the descriptors. + * As a workaround we reinterpret the report as: + * Variable type, count 6, size 8 bit, log. maximum 255 + * The burden to reconstruct the data is moved into user space. + */ +static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 182 && rdesc[175] == 0x25 && rdesc[176] == 0x40 && + rdesc[177] == 0x75 && rdesc[178] == 0x30 && + rdesc[179] == 0x95 && rdesc[180] == 0x01 && + rdesc[182] == 0x40) { + dev_info(&hdev->dev, "fixing up Samsung IrDA report " + "descriptor\n"); + rdesc[176] = 0xff; + rdesc[178] = 0x08; + rdesc[180] = 0x06; + rdesc[182] = 0x42; + } +} + +static int samsung_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int ret; + + hdev->quirks |= HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT; + + 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 samsung_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, + { } +}; +MODULE_DEVICE_TABLE(hid, samsung_devices); + +static struct hid_driver samsung_driver = { + .name = "samsung", + .id_table = samsung_devices, + .report_fixup = samsung_report_fixup, + .probe = samsung_probe, +}; + +static int samsung_init(void) +{ + return hid_register_driver(&samsung_driver); +} + +static void samsung_exit(void) +{ + hid_unregister_driver(&samsung_driver); +} + +module_init(samsung_init); +module_exit(samsung_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(samsung); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index cc1927b..d57a379 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -43,8 +43,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL }, - { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT }, - { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, @@ -75,8 +73,6 @@ static const struct hid_rdesc_blacklist { __u16 idProduct; __u32 quirks; } hid_rdesc_blacklist[] = { - { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE }, - { 0, 0 } }; @@ -308,37 +304,8 @@ u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct) EXPORT_SYMBOL_GPL(usbhid_lookup_quirk); -/* - * Samsung IrDA remote controller (reports as Cypress USB Mouse). - * - * Vendor specific report #4 has a size of 48 bit, - * and therefore is not accepted when inspecting the descriptors. - * As a workaround we reinterpret the report as: - * Variable type, count 6, size 8 bit, log. maximum 255 - * The burden to reconstruct the data is moved into user space. - */ -static void usbhid_fixup_samsung_irda_descriptor(unsigned char *rdesc, - int rsize) -{ - if (rsize >= 182 && rdesc[175] == 0x25 - && rdesc[176] == 0x40 - && rdesc[177] == 0x75 - && rdesc[178] == 0x30 - && rdesc[179] == 0x95 - && rdesc[180] == 0x01 - && rdesc[182] == 0x40) { - printk(KERN_INFO "Fixing up Samsung IrDA report descriptor\n"); - rdesc[176] = 0xff; - rdesc[178] = 0x08; - rdesc[180] = 0x06; - rdesc[182] = 0x42; - } -} - static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize) { - if (quirks & HID_QUIRK_RDESC_SAMSUNG_REMOTE) - usbhid_fixup_samsung_irda_descriptor(rdesc, rsize); } /** diff --git a/include/linux/hid.h b/include/linux/hid.h index 3a639bf..5b47fee 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -269,12 +269,6 @@ struct hid_item { #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 /* - * Separate quirks for runtime report descriptor fixup - */ - -#define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 - -/* * This is the global environment of the parser. This information is * persistent for main-items. The global environment can be saved and * restored with PUSH/POP statements. |