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HID: move samsung quirks 

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hifive-unleashed-5.1
Jiri Slaby 2008-06-25 22:31:48 +02:00 committed by Jiri Kosina
parent 949f8fef77
commit 980a3da6ac
7 changed files with 113 additions and 39 deletions
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7
drivers/hid/Kconfig
View File

@ -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

1
drivers/hid/Makefile
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@ -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/

1
drivers/hid/hid-core.c
View File

@ -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) },

3
drivers/hid/hid-dummy.c
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@ -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

101
drivers/hid/hid-samsung.c 100644
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@ -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);

33
drivers/hid/usbhid/hid-quirks.c
View File

@ -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);
}
/**

6
include/linux/hid.h
View File

@ -268,12 +268,6 @@ struct hid_item {
#define HID_QUIRK_IGNORE_HIDINPUT 0x01000000
#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