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Date: Sun, 18 Sep 2016 10:55:41 -0600
From: Simon Wood <gitsend@...gewell.org>
To: linux-input@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Jiri Kosina <jkosina@...e.cz>,
Edwin Velds <edwin@...ds.nl>,
Elias Vanderstuyft <elias.vds@...il.com>,
Michal Maly <madcatxster@...il.com>,
Simon Wood <simon@...gewell.org>
Subject: [Patch-V2 5/6] HID:hid-logitech: Improve Wingman Formula Force GP support
Move ForceFeedback support for the Formula Force GP into hid-lgff4
and re-write HID descriptor, thus allowing combined pedals or not
as user desires.
Signed-off-by: Simon Wood <simon@...gewell.org>
---
drivers/hid/hid-lg.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++-
drivers/hid/hid-lg4ff.c | 2 ++
2 files changed, 60 insertions(+), 1 deletion(-)
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index ffcf4f1..76f644d 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -49,6 +49,7 @@
#define FV_RDESC_ORIG_SIZE 130
#define MOMO_RDESC_ORIG_SIZE 87
#define MOMO2_RDESC_ORIG_SIZE 87
+#define FFG_RDESC_ORIG_SIZE 85
/* Fixed report descriptors for Logitech Driving Force (and Pro)
* wheel controllers
@@ -334,6 +335,52 @@ static __u8 momo2_rdesc_fixed[] = {
0xC0 /* End Collection */
};
+static __u8 ffg_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, 0x06, /* Report Count (6), */
+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, 0x06, /* Usage Maximum (06h), */
+0x81, 0x02, /* Input (Variable), */
+0x95, 0x01, /* Report Count (1), */
+0x75, 0x08, /* Report Size (8), */
+0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+0x46, 0xFF, 0x00, /* Physical Maximum (255), */
+0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
+0x09, 0x01, /* Usage (01h), */
+0x81, 0x02, /* Input (Variable), */
+0x05, 0x01, /* Usage Page (Desktop), */
+0x81, 0x01, /* Input (Constant), */
+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
* above the logical maximum described in descriptor. This extends
@@ -361,6 +408,15 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
switch (hdev->product) {
+ case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
+ if (*rsize == FFG_RDESC_ORIG_SIZE) {
+ hid_info(hdev,
+ "fixing up Logitech Wingman Formula Force GP report descriptor\n");
+ rdesc = ffg_rdesc_fixed;
+ *rsize = sizeof(ffg_rdesc_fixed);
+ }
+ break;
+
/* Several wheels report as this id when operating in emulation mode. */
case USB_DEVICE_ID_LOGITECH_WHEEL:
if (*rsize == DF_RDESC_ORIG_SIZE) {
@@ -608,6 +664,7 @@ static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
usage->code == ABS_RZ)) {
switch (hdev->product) {
case USB_DEVICE_ID_LOGITECH_G29_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
case USB_DEVICE_ID_LOGITECH_WHEEL:
case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
@@ -807,7 +864,7 @@ static const struct hid_device_id lg_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL),
.driver_data = LG_FF4 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG),
- .driver_data = LG_FF },
+ .driver_data = LG_NOGET | LG_FF4 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
.driver_data = LG_FF2 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940),
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index cc5c9ebd..1fc12e3 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -137,6 +137,7 @@ struct lg4ff_alternate_mode {
};
static const struct lg4ff_wheel lg4ff_devices[] = {
+ {USB_DEVICE_ID_LOGITECH_WINGMAN_FFG, lg4ff_wheel_effects, 40, 180, NULL},
{USB_DEVICE_ID_LOGITECH_WHEEL, lg4ff_wheel_effects, 40, 270, NULL},
{USB_DEVICE_ID_LOGITECH_MOMO_WHEEL, lg4ff_wheel_effects, 40, 270, NULL},
{USB_DEVICE_ID_LOGITECH_DFP_WHEEL, lg4ff_wheel_effects, 40, 900, lg4ff_set_range_dfp},
@@ -345,6 +346,7 @@ int lg4ff_raw_event(struct hid_device *hdev, struct hid_report *report,
rd[5] = rd[3];
rd[6] = 0x7F;
return 1;
+ case USB_DEVICE_ID_LOGITECH_WINGMAN_FFG:
case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
rd[4] = rd[3];
--
2.7.4
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