summaryrefslogtreecommitdiffstats
path: root/drivers/hid/hid-lg.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hid/hid-lg.c')
-rw-r--r--drivers/hid/hid-lg.c212
1 files changed, 186 insertions, 26 deletions
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index a2f8e88b9fa..6f12ecd36c8 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -21,8 +21,10 @@
#include <linux/module.h>
#include <linux/random.h>
#include <linux/sched.h>
+#include <linux/usb.h>
#include <linux/wait.h>
+#include "usbhid/usbhid.h"
#include "hid-ids.h"
#include "hid-lg.h"
@@ -40,17 +42,86 @@
#define LG_FF3 0x1000
#define LG_FF4 0x2000
-/* Size of the original descriptor of the Driving Force Pro wheel */
+/* Size of the original descriptors of the Driving Force (and Pro) wheels */
+#define DF_RDESC_ORIG_SIZE 130
#define DFP_RDESC_ORIG_SIZE 97
+#define MOMO_RDESC_ORIG_SIZE 87
-/* Fixed report descriptor for Logitech Driving Force Pro wheel controller
+/* Fixed report descriptors for Logitech Driving Force (and Pro)
+ * wheel controllers
*
- * The original descriptor hides the separate throttle and brake axes in
+ * The original descriptors hide the separate throttle and brake axes in
* a custom vendor usage page, providing only a combined value as
* GenericDesktop.Y.
- * This descriptor removes the combined Y axis and instead reports
+ * These descriptors remove the combined Y axis and instead report
* separate throttle (Y) and brake (RZ).
*/
+static __u8 df_rdesc_fixed[] = {
+0x05, 0x01, /* Usage Page (Desktop), */
+0x09, 0x04, /* Usage (Joystik), */
+0xA1, 0x01, /* Collection (Application), */
+0xA1, 0x02, /* Collection (Logical), */
+0x95, 0x01, /* Report Count (1), */
+0x75, 0x0A, /* Report Size (10), */
+0x14, /* Logical Minimum (0), */
+0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
+0x34, /* Physical Minimum (0), */
+0x46, 0xFF, 0x03, /* Physical Maximum (1023), */
+0x09, 0x30, /* Usage (X), */
+0x81, 0x02, /* Input (Variable), */
+0x95, 0x0C, /* Report Count (12), */
+0x75, 0x01, /* Report Size (1), */
+0x25, 0x01, /* Logical Maximum (1), */
+0x45, 0x01, /* Physical Maximum (1), */
+0x05, 0x09, /* Usage (Buttons), */
+0x19, 0x01, /* Usage Minimum (1), */
+0x29, 0x0c, /* Usage Maximum (12), */
+0x81, 0x02, /* Input (Variable), */
+0x95, 0x02, /* Report Count (2), */
+0x06, 0x00, 0xFF, /* Usage Page (Vendor: 65280), */
+0x09, 0x01, /* Usage (?: 1), */
+0x81, 0x02, /* Input (Variable), */
+0x05, 0x01, /* Usage Page (Desktop), */
+0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+0x46, 0xFF, 0x00, /* Physical Maximum (255), */
+0x95, 0x01, /* Report Count (1), */
+0x75, 0x08, /* Report Size (8), */
+0x81, 0x02, /* Input (Variable), */
+0x25, 0x07, /* Logical Maximum (7), */
+0x46, 0x3B, 0x01, /* Physical Maximum (315), */
+0x75, 0x04, /* Report Size (4), */
+0x65, 0x14, /* Unit (Degrees), */
+0x09, 0x39, /* Usage (Hat Switch), */
+0x81, 0x42, /* Input (Variable, Null State), */
+0x75, 0x01, /* Report Size (1), */
+0x95, 0x04, /* Report Count (4), */
+0x65, 0x00, /* Unit (none), */
+0x06, 0x00, 0xFF, /* Usage Page (Vendor: 65280), */
+0x09, 0x01, /* Usage (?: 1), */
+0x25, 0x01, /* Logical Maximum (1), */
+0x45, 0x01, /* Physical Maximum (1), */
+0x81, 0x02, /* Input (Variable), */
+0x05, 0x01, /* Usage Page (Desktop), */
+0x95, 0x01, /* Report Count (1), */
+0x75, 0x08, /* Report Size (8), */
+0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+0x46, 0xFF, 0x00, /* Physical Maximum (255), */
+0x09, 0x31, /* Usage (Y), */
+0x81, 0x02, /* Input (Variable), */
+0x09, 0x35, /* Usage (Rz), */
+0x81, 0x02, /* Input (Variable), */
+0xC0, /* End Collection, */
+0xA1, 0x02, /* Collection (Logical), */
+0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+0x46, 0xFF, 0x00, /* Physical Maximum (255), */
+0x95, 0x07, /* Report Count (7), */
+0x75, 0x08, /* Report Size (8), */
+0x09, 0x03, /* Usage (?: 3), */
+0x91, 0x02, /* Output (Variable), */
+0xC0, /* End Collection, */
+0xC0 /* End Collection */
+};
+
static __u8 dfp_rdesc_fixed[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x04, /* Usage (Joystik), */
@@ -99,6 +170,51 @@ static __u8 dfp_rdesc_fixed[] = {
0xC0 /* End Collection */
};
+static __u8 momo_rdesc_fixed[] = {
+0x05, 0x01, /* Usage Page (Desktop), */
+0x09, 0x04, /* Usage (Joystik), */
+0xA1, 0x01, /* Collection (Application), */
+0xA1, 0x02, /* Collection (Logical), */
+0x95, 0x01, /* Report Count (1), */
+0x75, 0x0A, /* Report Size (10), */
+0x15, 0x00, /* Logical Minimum (0), */
+0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
+0x35, 0x00, /* Physical Minimum (0), */
+0x46, 0xFF, 0x03, /* Physical Maximum (1023), */
+0x09, 0x30, /* Usage (X), */
+0x81, 0x02, /* Input (Variable), */
+0x95, 0x08, /* Report Count (8), */
+0x75, 0x01, /* Report Size (1), */
+0x25, 0x01, /* Logical Maximum (1), */
+0x45, 0x01, /* Physical Maximum (1), */
+0x05, 0x09, /* Usage Page (Button), */
+0x19, 0x01, /* Usage Minimum (01h), */
+0x29, 0x08, /* Usage Maximum (08h), */
+0x81, 0x02, /* Input (Variable), */
+0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
+0x75, 0x0E, /* Report Size (14), */
+0x95, 0x01, /* Report Count (1), */
+0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+0x46, 0xFF, 0x00, /* Physical Maximum (255), */
+0x09, 0x00, /* Usage (00h), */
+0x81, 0x02, /* Input (Variable), */
+0x05, 0x01, /* Usage Page (Desktop), */
+0x75, 0x08, /* Report Size (8), */
+0x09, 0x31, /* Usage (Y), */
+0x81, 0x02, /* Input (Variable), */
+0x09, 0x32, /* Usage (Z), */
+0x81, 0x02, /* Input (Variable), */
+0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
+0x09, 0x01, /* Usage (01h), */
+0x81, 0x02, /* Input (Variable), */
+0xC0, /* End Collection, */
+0xA1, 0x02, /* Collection (Logical), */
+0x09, 0x02, /* Usage (02h), */
+0x95, 0x07, /* Report Count (7), */
+0x91, 0x02, /* Output (Variable), */
+0xC0, /* End Collection, */
+0xC0 /* End Collection */
+};
/*
* Certain Logitech keyboards send in report #3 keys which are far
@@ -109,6 +225,8 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
struct lg_drv_data *drv_data = hid_get_drvdata(hdev);
+ struct usb_device_descriptor *udesc;
+ __u16 bcdDevice, rev_maj, rev_min;
if ((drv_data->quirks & LG_RDESC) && *rsize >= 90 && rdesc[83] == 0x26 &&
rdesc[84] == 0x8c && rdesc[85] == 0x02) {
@@ -124,17 +242,39 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
"fixing up rel/abs in Logitech report descriptor\n");
rdesc[33] = rdesc[50] = 0x02;
}
- if ((drv_data->quirks & LG_FF4) && *rsize >= 101 &&
- rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
- rdesc[47] == 0x05 && rdesc[48] == 0x09) {
- hid_info(hdev, "fixing up Logitech Speed Force Wireless button descriptor\n");
- rdesc[41] = 0x05;
- rdesc[42] = 0x09;
- rdesc[47] = 0x95;
- rdesc[48] = 0x0B;
- }
switch (hdev->product) {
+
+ /* Several wheels report as this id when operating in emulation mode. */
+ case USB_DEVICE_ID_LOGITECH_WHEEL:
+ udesc = &(hid_to_usb_dev(hdev)->descriptor);
+ if (!udesc) {
+ hid_err(hdev, "NULL USB device descriptor\n");
+ break;
+ }
+ bcdDevice = le16_to_cpu(udesc->bcdDevice);
+ rev_maj = bcdDevice >> 8;
+ rev_min = bcdDevice & 0xff;
+
+ /* Update the report descriptor for only the Driving Force wheel */
+ if (rev_maj == 1 && rev_min == 2 &&
+ *rsize == DF_RDESC_ORIG_SIZE) {
+ hid_info(hdev,
+ "fixing up Logitech Driving Force report descriptor\n");
+ rdesc = df_rdesc_fixed;
+ *rsize = sizeof(df_rdesc_fixed);
+ }
+ break;
+
+ case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
+ if (*rsize == MOMO_RDESC_ORIG_SIZE) {
+ hid_info(hdev,
+ "fixing up Logitech Momo Force (Red) report descriptor\n");
+ rdesc = momo_rdesc_fixed;
+ *rsize = sizeof(momo_rdesc_fixed);
+ }
+ break;
+
case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
if (*rsize == DFP_RDESC_ORIG_SIZE) {
hid_info(hdev,
@@ -143,6 +283,17 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
*rsize = sizeof(dfp_rdesc_fixed);
}
break;
+
+ case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
+ if (*rsize >= 101 && rdesc[41] == 0x95 && rdesc[42] == 0x0B &&
+ rdesc[47] == 0x05 && rdesc[48] == 0x09) {
+ hid_info(hdev, "fixing up Logitech Speed Force Wireless report descriptor\n");
+ rdesc[41] = 0x05;
+ rdesc[42] = 0x09;
+ rdesc[47] = 0x95;
+ rdesc[48] = 0x0B;
+ }
+ break;
}
return rdesc;
@@ -328,6 +479,26 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
usage->type == EV_REL || usage->type == EV_ABS))
clear_bit(usage->code, *bit);
+ /* Ensure that Logitech wheels are not given a default fuzz/flat value */
+ if (usage->type == EV_ABS && (usage->code == ABS_X ||
+ usage->code == ABS_Y || usage->code == ABS_Z ||
+ usage->code == ABS_RZ)) {
+ switch (hdev->product) {
+ case USB_DEVICE_ID_LOGITECH_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
+ field->application = HID_GD_MULTIAXIS;
+ break;
+ default:
+ break;
+ }
+ }
+
return 0;
}
@@ -465,7 +636,7 @@ static const struct hid_device_id lg_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
.driver_data = LG_FF },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
- .driver_data = LG_FF4 },
+ .driver_data = LG_NOGET | LG_FF4 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
.driver_data = LG_FF4 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
@@ -503,17 +674,6 @@ static struct hid_driver lg_driver = {
.probe = lg_probe,
.remove = lg_remove,
};
+module_hid_driver(lg_driver);
-static int __init lg_init(void)
-{
- return hid_register_driver(&lg_driver);
-}
-
-static void __exit lg_exit(void)
-{
- hid_unregister_driver(&lg_driver);
-}
-
-module_init(lg_init);
-module_exit(lg_exit);
MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-23 14:45:39 +0000