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kernel_optimize_test/drivers/hid/usbhid/hid-quirks.c
Jiri Slaby 8c19a51591 HID: move apple quirks 
Move them from the core code to a separate driver.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-10-14 23:50:49 +02:00

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/*
* USB HID quirks support for Linux
*
* 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
*/
/*
* 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/hid.h>
#include "../hid-ids.h"
/*
* Alphabetically sorted blacklist by quirk type.
*/
static const struct hid_blacklist {
__u16 idVendor;
__u16 idProduct;
__u32 quirks;
} hid_blacklist[] = {
{ USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
{ USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D, HID_QUIRK_2WHEEL_MOUSE_HACK_B8 },
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_NATSU, USB_DEVICE_ID_NATSU_GAMEPAD, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
{ USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL },
{ USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV },
{ USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT },
{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV, HID_QUIRK_HIDINPUT },
{ USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193, HID_QUIRK_HWHEEL_WHEEL_INVERT },
{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K, HID_QUIRK_MICROSOFT_KEYS },
{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K, HID_QUIRK_MICROSOFT_KEYS },
{ 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 },
{ USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER, HID_QUIRK_SONY_PS3_CONTROLLER | HID_QUIRK_HIDDEV },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658, HID_QUIRK_RESET_LEDS },
{ 0, 0 }
};
/* Quirks for devices which require report descriptor fixup go here */
static const struct hid_rdesc_blacklist {
__u16 idVendor;
__u16 idProduct;
__u32 quirks;
} hid_rdesc_blacklist[] = {
{ USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_RDESC_CYMOTION },
{ USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_DESKTOP_RECV_1028, HID_QUIRK_RDESC_MICROSOFT_RECV_1028 },
{ USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E, HID_QUIRK_RDESC_BUTTON_CONSUMER },
{ USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_RDESC_PETALYNX },
{ USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE },
{ USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP, HID_QUIRK_RDESC_SUNPLUS_WDESKTOP },
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
{ 0, 0 }
};
/* Dynamic HID quirks list - specified at runtime */
struct quirks_list_struct {
struct hid_blacklist hid_bl_item;
struct list_head node;
};
static LIST_HEAD(dquirks_list);
static DECLARE_RWSEM(dquirks_rwsem);
/* Runtime ("dynamic") quirks manipulation functions */
/**
* usbhid_exists_dquirk: find any dynamic quirks for a USB HID device
* @idVendor: the 16-bit USB vendor ID, in native byteorder
* @idProduct: the 16-bit USB product ID, in native byteorder
*
* Description:
* Scans dquirks_list for a matching dynamic quirk and returns
* the pointer to the relevant struct hid_blacklist if found.
* Must be called with a read lock held on dquirks_rwsem.
*
* Returns: NULL if no quirk found, struct hid_blacklist * if found.
*/
static struct hid_blacklist *usbhid_exists_dquirk(const u16 idVendor,
const u16 idProduct)
{
struct quirks_list_struct *q;
struct hid_blacklist *bl_entry = NULL;
list_for_each_entry(q, &dquirks_list, node) {
if (q->hid_bl_item.idVendor == idVendor &&
q->hid_bl_item.idProduct == idProduct) {
bl_entry = &q->hid_bl_item;
break;
}
}
if (bl_entry != NULL)
dbg_hid("Found dynamic quirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
bl_entry->quirks, bl_entry->idVendor,
bl_entry->idProduct);
return bl_entry;
}
/**
* usbhid_modify_dquirk: add/replace a HID quirk
* @idVendor: the 16-bit USB vendor ID, in native byteorder
* @idProduct: the 16-bit USB product ID, in native byteorder
* @quirks: the u32 quirks value to add/replace
*
* Description:
* If an dynamic quirk exists in memory for this (idVendor,
* idProduct) pair, replace its quirks value with what was
* provided. Otherwise, add the quirk to the dynamic quirks list.
*
* Returns: 0 OK, -error on failure.
*/
static int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct,
const u32 quirks)
{
struct quirks_list_struct *q_new, *q;
int list_edited = 0;
if (!idVendor) {
dbg_hid("Cannot add a quirk with idVendor = 0\n");
return -EINVAL;
}
q_new = kmalloc(sizeof(struct quirks_list_struct), GFP_KERNEL);
if (!q_new) {
dbg_hid("Could not allocate quirks_list_struct\n");
return -ENOMEM;
}
q_new->hid_bl_item.idVendor = idVendor;
q_new->hid_bl_item.idProduct = idProduct;
q_new->hid_bl_item.quirks = quirks;
down_write(&dquirks_rwsem);
list_for_each_entry(q, &dquirks_list, node) {
if (q->hid_bl_item.idVendor == idVendor &&
q->hid_bl_item.idProduct == idProduct) {
list_replace(&q->node, &q_new->node);
kfree(q);
list_edited = 1;
break;
}
}
if (!list_edited)
list_add_tail(&q_new->node, &dquirks_list);
up_write(&dquirks_rwsem);
return 0;
}
/**
* usbhid_remove_all_dquirks: remove all runtime HID quirks from memory
*
* Description:
* Free all memory associated with dynamic quirks - called before
* module unload.
*
*/
static void usbhid_remove_all_dquirks(void)
{
struct quirks_list_struct *q, *temp;
down_write(&dquirks_rwsem);
list_for_each_entry_safe(q, temp, &dquirks_list, node) {
list_del(&q->node);
kfree(q);
}
up_write(&dquirks_rwsem);
}
/**
* usbhid_quirks_init: apply USB HID quirks specified at module load time
*/
int usbhid_quirks_init(char **quirks_param)
{
u16 idVendor, idProduct;
u32 quirks;
int n = 0, m;
for (; quirks_param[n] && n < MAX_USBHID_BOOT_QUIRKS; n++) {
m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
&idVendor, &idProduct, &quirks);
if (m != 3 ||
usbhid_modify_dquirk(idVendor, idProduct, quirks) != 0) {
printk(KERN_WARNING
"Could not parse HID quirk module param %s\n",
quirks_param[n]);
}
}
return 0;
}
/**
* usbhid_quirks_exit: release memory associated with dynamic_quirks
*
* Description:
* Release all memory associated with dynamic quirks. Called upon
* module unload.
*
* Returns: nothing
*/
void usbhid_quirks_exit(void)
{
usbhid_remove_all_dquirks();
}
/**
* usbhid_exists_squirk: return any static quirks for a USB HID device
* @idVendor: the 16-bit USB vendor ID, in native byteorder
* @idProduct: the 16-bit USB product ID, in native byteorder
*
* Description:
* Given a USB vendor ID and product ID, return a pointer to
* the hid_blacklist entry associated with that device.
*
* Returns: pointer if quirk found, or NULL if no quirks found.
*/
static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor,
const u16 idProduct)
{
const struct hid_blacklist *bl_entry = NULL;
int n = 0;
for (; hid_blacklist[n].idVendor; n++)
if (hid_blacklist[n].idVendor == idVendor &&
hid_blacklist[n].idProduct == idProduct)
bl_entry = &hid_blacklist[n];
if (bl_entry != NULL)
dbg_hid("Found squirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n",
bl_entry->quirks, bl_entry->idVendor,
bl_entry->idProduct);
return bl_entry;
}
/**
* usbhid_lookup_quirk: return any quirks associated with a USB HID device
* @idVendor: the 16-bit USB vendor ID, in native byteorder
* @idProduct: the 16-bit USB product ID, in native byteorder
*
* Description:
* Given a USB vendor ID and product ID, return any quirks associated
* with that device.
*
* Returns: a u32 quirks value.
*/
u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct)
{
u32 quirks = 0;
const struct hid_blacklist *bl_entry = NULL;
/* NCR devices must not be queried for reports */
if (idVendor == USB_VENDOR_ID_NCR &&
idProduct >= USB_DEVICE_ID_NCR_FIRST &&
idProduct <= USB_DEVICE_ID_NCR_LAST)
return HID_QUIRK_NOGET;
down_read(&dquirks_rwsem);
bl_entry = usbhid_exists_dquirk(idVendor, idProduct);
if (!bl_entry)
bl_entry = usbhid_exists_squirk(idVendor, idProduct);
if (bl_entry)
quirks = bl_entry->quirks;
up_read(&dquirks_rwsem);
return quirks;
}
EXPORT_SYMBOL_GPL(usbhid_lookup_quirk);
/*
* Cherry Cymotion keyboard have an invalid HID report descriptor,
* that needs fixing before we can parse it.
*/
static void usbhid_fixup_cymotion_descriptor(char *rdesc, int rsize)
{
if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
printk(KERN_INFO "Fixing up Cherry Cymotion report descriptor\n");
rdesc[11] = rdesc[16] = 0xff;
rdesc[12] = rdesc[17] = 0x03;
}
}
static void usbhid_fixup_sunplus_wdesktop(unsigned char *rdesc, int rsize)
{
if (rsize >= 107 && rdesc[104] == 0x26
&& rdesc[105] == 0x80
&& rdesc[106] == 0x03) {
printk(KERN_INFO "Fixing up Sunplus Wireless Desktop report descriptor\n");
rdesc[105] = rdesc[110] = 0x03;
rdesc[106] = rdesc[111] = 0x21;
}
}
/*
* 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;
}
}
/* Petalynx Maxter Remote has maximum for consumer page set too low */
static void usbhid_fixup_petalynx_descriptor(unsigned char *rdesc, int rsize)
{
if (rsize >= 60 && rdesc[39] == 0x2a
&& rdesc[40] == 0xf5
&& rdesc[41] == 0x00
&& rdesc[59] == 0x26
&& rdesc[60] == 0xf9
&& rdesc[61] == 0x00) {
printk(KERN_INFO "Fixing up Petalynx Maxter Remote report descriptor\n");
rdesc[60] = 0xfa;
rdesc[40] = 0xfa;
}
}
/*
* Some USB barcode readers from cypress have usage min and usage max in
* the wrong order
*/
static void usbhid_fixup_cypress_descriptor(unsigned char *rdesc, int rsize)
{
short fixed = 0;
int i;
for (i = 0; i < rsize - 4; i++) {
if (rdesc[i] == 0x29 && rdesc [i+2] == 0x19) {
unsigned char tmp;
rdesc[i] = 0x19; rdesc[i+2] = 0x29;
tmp = rdesc[i+3];
rdesc[i+3] = rdesc[i+1];
rdesc[i+1] = tmp;
}
}
if (fixed)
printk(KERN_INFO "Fixing up Cypress report descriptor\n");
}
static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rsize)
{
if (rsize >= 30 && rdesc[29] == 0x05
&& rdesc[30] == 0x09) {
printk(KERN_INFO "Fixing up button/consumer in HID report descriptor\n");
rdesc[30] = 0x0c;
}
}
/*
* Microsoft Wireless Desktop Receiver (Model 1028) has several
* 'Usage Min/Max' where it ought to have 'Physical Min/Max'
*/
static void usbhid_fixup_microsoft_descriptor(unsigned char *rdesc, int rsize)
{
if (rsize == 571 && rdesc[284] == 0x19
&& rdesc[286] == 0x2a
&& rdesc[304] == 0x19
&& rdesc[306] == 0x29
&& rdesc[352] == 0x1a
&& rdesc[355] == 0x2a
&& rdesc[557] == 0x19
&& rdesc[559] == 0x29) {
printk(KERN_INFO "Fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
rdesc[284] = rdesc[304] = rdesc[557] = 0x35;
rdesc[352] = 0x36;
rdesc[286] = rdesc[355] = 0x46;
rdesc[306] = rdesc[559] = 0x45;
}
}
static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize)
{
if ((quirks & HID_QUIRK_RDESC_CYMOTION))
usbhid_fixup_cymotion_descriptor(rdesc, rsize);
if (quirks & HID_QUIRK_RDESC_SWAPPED_MIN_MAX)
usbhid_fixup_cypress_descriptor(rdesc, rsize);
if (quirks & HID_QUIRK_RDESC_PETALYNX)
usbhid_fixup_petalynx_descriptor(rdesc, rsize);
if (quirks & HID_QUIRK_RDESC_BUTTON_CONSUMER)
usbhid_fixup_button_consumer_descriptor(rdesc, rsize);
if (quirks & HID_QUIRK_RDESC_SAMSUNG_REMOTE)
usbhid_fixup_samsung_irda_descriptor(rdesc, rsize);
if (quirks & HID_QUIRK_RDESC_MICROSOFT_RECV_1028)
usbhid_fixup_microsoft_descriptor(rdesc, rsize);
if (quirks & HID_QUIRK_RDESC_SUNPLUS_WDESKTOP)
usbhid_fixup_sunplus_wdesktop(rdesc, rsize);
}
/**
* usbhid_fixup_report_descriptor: check if report descriptor needs fixup
*
* Description:
* Walks the hid_rdesc_blacklist[] array and checks whether the device
* is known to have broken report descriptor that needs to be fixed up
* prior to entering the HID parser
*
* Returns: nothing
*/
void usbhid_fixup_report_descriptor(const u16 idVendor, const u16 idProduct,
char *rdesc, unsigned rsize, char **quirks_param)
{
int n, m;
u16 paramVendor, paramProduct;
u32 quirks;
/* static rdesc quirk entries */
for (n = 0; hid_rdesc_blacklist[n].idVendor; n++)
if (hid_rdesc_blacklist[n].idVendor == idVendor &&
hid_rdesc_blacklist[n].idProduct == idProduct)
__usbhid_fixup_report_descriptor(hid_rdesc_blacklist[n].quirks,
rdesc, rsize);
/* runtime rdesc quirk entries handling */
for (n = 0; quirks_param[n] && n < MAX_USBHID_BOOT_QUIRKS; n++) {
m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x",
&paramVendor, &paramProduct, &quirks);
if (m != 3)
printk(KERN_WARNING
"Could not parse HID quirk module param %s\n",
quirks_param[n]);
else if (paramVendor == idVendor && paramProduct == idProduct)
__usbhid_fixup_report_descriptor(quirks, rdesc, rsize);
}
}
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