diff options
Diffstat (limited to 'drivers/hid/hid-lg.c')
| -rw-r--r-- | drivers/hid/hid-lg.c | 199 |
1 files changed, 185 insertions, 14 deletions
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index e3dc73b612de..6f12ecd36c88 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), |