diff options
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/usbhid/hid-core.c | 89 | ||||
| -rw-r--r-- | drivers/hid/usbhid/hid-quirks.c | 155 |
2 files changed, 153 insertions, 91 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index ef7b881..3efc373 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -60,6 +60,12 @@ MODULE_PARM_DESC(quirks, "Add/modify USB HID quirks by specifying " " quirks=vendorID:productID:quirks" " where vendorID, productID, and quirks are all in" " 0x-prefixed hex"); +static char *rdesc_quirks_param[MAX_USBHID_BOOT_QUIRKS] = { [ 0 ... (MAX_USBHID_BOOT_QUIRKS - 1) ] = NULL }; +module_param_array_named(rdesc_quirks, rdesc_quirks_param, charp, NULL, 0444); +MODULE_PARM_DESC(rdesc_quirks, "Add/modify report descriptor quirks by specifying " + " rdesc_quirks=vendorID:productID:rdesc_quirks" + " where vendorID, productID, and rdesc_quirks are all in" + " 0x-prefixed hex"); /* * Input submission and I/O error handler. */ @@ -633,20 +639,6 @@ static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) } /* - * Cherry Cymotion keyboard have an invalid HID report descriptor, - * that needs fixing before we can parse it. - */ - -static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize) -{ - if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) { - info("Fixing up Cherry Cymotion report descriptor"); - rdesc[11] = rdesc[16] = 0xff; - rdesc[12] = rdesc[17] = 0x03; - } -} - -/* * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller * to "operational". Without this, the ps3 controller will not report any * events. @@ -672,61 +664,6 @@ static void hid_fixup_sony_ps3_controller(struct usb_device *dev, int ifnum) kfree(buf); } -/* - * 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 hid_fixup_logitech_descriptor(unsigned char *rdesc, int rsize) -{ - if (rsize >= 90 && rdesc[83] == 0x26 - && rdesc[84] == 0x8c - && rdesc[85] == 0x02) { - info("Fixing up Logitech keyboard report descriptor"); - rdesc[84] = rdesc[89] = 0x4d; - rdesc[85] = rdesc[90] = 0x10; - } -} - -/* Petalynx Maxter Remote has maximum for consumer page set too low */ -static void hid_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) { - info("Fixing up Petalynx Maxter Remote report descriptor"); - rdesc[60] = 0xfa; - rdesc[40] = 0xfa; - } -} - -/* - * Some USB barcode readers from cypress have usage min and usage max in - * the wrong order - */ -static void hid_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) - info("Fixing up Cypress report descriptor"); -} - static struct hid_device *usb_hid_configure(struct usb_interface *intf) { struct usb_host_interface *interface = intf->cur_altsetting; @@ -787,17 +724,9 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) return NULL; } - if ((quirks & HID_QUIRK_CYMOTION)) - hid_fixup_cymotion_descriptor(rdesc, rsize); - - if (quirks & HID_QUIRK_LOGITECH_DESCRIPTOR) - hid_fixup_logitech_descriptor(rdesc, rsize); - - if (quirks & HID_QUIRK_SWAPPED_MIN_MAX) - hid_fixup_cypress_descriptor(rdesc, rsize); - - if (quirks & HID_QUIRK_PETALYNX_DESCRIPTOR) - hid_fixup_petalynx_descriptor(rdesc, rsize); + usbhid_fixup_report_descriptor(le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct), rdesc, + rsize, rdesc_quirks_param); #ifdef CONFIG_HID_DEBUG printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index a78f518..a75c236f 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -299,8 +299,6 @@ static const struct hid_blacklist { { 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_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE, HID_QUIRK_DUPLICATE_USAGES }, { USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV }, @@ -424,17 +422,11 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER, HID_QUIRK_LOGITECH_DESCRIPTOR }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER, HID_QUIRK_LOGITECH_DESCRIPTOR }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2, HID_QUIRK_LOGITECH_DESCRIPTOR }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL }, { 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_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_PETALYNX_DESCRIPTOR | HID_QUIRK_NOGET }, - { USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER, HID_QUIRK_SONY_PS3_CONTROLLER }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET }, @@ -443,6 +435,7 @@ static const struct hid_blacklist { { 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_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL, 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 }, @@ -466,8 +459,26 @@ static const struct hid_blacklist { { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658, HID_QUIRK_RESET_LEDS }, - { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1, HID_QUIRK_SWAPPED_MIN_MAX }, - { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2, HID_QUIRK_SWAPPED_MIN_MAX }, + { 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_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER, HID_QUIRK_RDESC_LOGITECH }, + { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER, HID_QUIRK_RDESC_LOGITECH }, + { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2, HID_QUIRK_RDESC_LOGITECH }, + + { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_RDESC_PETALYNX }, + + { 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 } }; @@ -576,7 +587,6 @@ int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct, return 0; } - /** * usbhid_remove_all_dquirks: remove all runtime HID quirks from memory * @@ -709,3 +719,126 @@ u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct) return quirks; } +/* + * 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; + } +} + + +/* + * 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 usbhid_fixup_logitech_descriptor(unsigned char *rdesc, int rsize) +{ + if (rsize >= 90 && rdesc[83] == 0x26 + && rdesc[84] == 0x8c + && rdesc[85] == 0x02) { + printk(KERN_INFO "Fixing up Logitech keyboard report descriptor\n"); + rdesc[84] = rdesc[89] = 0x4d; + rdesc[85] = rdesc[90] = 0x10; + } +} + +/* 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_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_LOGITECH) + usbhid_fixup_logitech_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); +} + +/** + * 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", + ¶mVendor, ¶mProduct, &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); + } + +} |
