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path: root/drivers/hid/hid-logitech-dj.c
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Diffstat (limited to 'drivers/hid/hid-logitech-dj.c')
-rw-r--r--drivers/hid/hid-logitech-dj.c192
1 files changed, 149 insertions, 43 deletions
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index cce54dd9884a..44b716697510 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -116,6 +116,7 @@ enum recvr_type {
recvr_type_dj,
recvr_type_hidpp,
recvr_type_gaming_hidpp,
+ recvr_type_gaming_hidpp_ls_1_3,
recvr_type_mouse_only,
recvr_type_27mhz,
recvr_type_bluetooth,
@@ -148,6 +149,7 @@ struct dj_receiver_dev {
struct kfifo notif_fifo;
unsigned long last_query; /* in jiffies */
bool ready;
+ bool dj_mode;
enum recvr_type type;
unsigned int unnumbered_application;
spinlock_t lock;
@@ -211,6 +213,44 @@ static const char kbd_descriptor[] = {
0xC0
};
+/* Gaming Keyboard descriptor (1) */
+static const char kbd_lightspeed_1_3_descriptor[] = {
+ 0x05, 0x01, /* Usage Page (Generic Desktop) */
+ 0x09, 0x06, /* Usage (Keyboard) */
+ 0xA1, 0x01, /* Collection (Application) */
+ 0x85, 0x01, /* Report ID (1) */
+ 0x05, 0x07, /* Usage Page (Kbrd/Keypad) */
+ 0x19, 0xE0, /* Usage Minimum (0xE0) */
+ 0x29, 0xE7, /* Usage Maximum (0xE7) */
+ 0x15, 0x00, /* Logical Minimum (0) */
+ 0x25, 0x01, /* Logical Maximum (1) */
+ 0x75, 0x01, /* Report Size (1) */
+ 0x95, 0x08, /* Report Count (8) */
+ 0x81, 0x02, /* Input (Data,Var) */
+ 0x95, 0x70, /* Report Count (112) */
+ 0x19, 0x04, /* Usage Minimum (0x04) */
+ 0x29, 0x73, /* Usage Maximum (0x73) */
+ 0x81, 0x02, /* Input (Data,Var,Abs) */
+ 0x95, 0x05, /* Report Count (5) */
+ 0x19, 0x87, /* Usage Minimum (0x87) */
+ 0x29, 0x8B, /* Usage Maximum (0x8B) */
+ 0x81, 0x02, /* Input (Data,Var,Abs) */
+ 0x95, 0x03, /* Report Count (3) */
+ 0x19, 0x90, /* Usage Minimum (0x90) */
+ 0x29, 0x92, /* Usage Maximum (0x92) */
+ 0x81, 0x02, /* Input (Data,Var,Abs) */
+ 0x95, 0x05, /* Report Count (5) */
+ 0x85, 0x0E, /* Report ID (14) */
+ 0x05, 0x08, /* Usage Page (LEDs) */
+ 0x19, 0x01, /* Usage Minimum (Num Lock) */
+ 0x29, 0x05, /* Usage Maximum (Kana) */
+ 0x91, 0x02, /* Output (Data,Var,Abs) */
+ 0x95, 0x01, /* Report Count (1) */
+ 0x75, 0x03, /* Report Size (3) */
+ 0x91, 0x03, /* Output (Const,Var,Abs) */
+ 0xC0, /* End Collection */
+};
+
/* Mouse descriptor (2) */
static const char mse_descriptor[] = {
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */
@@ -415,6 +455,51 @@ static const char mse_high_res_descriptor[] = {
0xC0, /* END_COLLECTION */
};
+/* Gaming Mouse descriptor with vendor data (2) */
+static const char mse_high_res_ls_1_3_descriptor[] = {
+ 0x05, 0x01, /* Usage Page (Generic Desktop) */
+ 0x09, 0x02, /* Usage (Mouse) */
+ 0xA1, 0x01, /* Collection (Application) */
+ 0x85, 0x02, /* Report ID (2) */
+ 0x09, 0x01, /* Usage (Pointer) */
+ 0xA1, 0x00, /* Collection (Physical) */
+ 0x95, 0x10, /* Report Count (16) */
+ 0x75, 0x01, /* Report Size (1) */
+ 0x15, 0x00, /* Logical Minimum (0) */
+ 0x25, 0x01, /* Logical Maximum (1) */
+ 0x05, 0x09, /* Usage Page (Button) */
+ 0x19, 0x01, /* Usage Minimum (0x01) */
+ 0x29, 0x10, /* Usage Maximum (0x10) */
+ 0x81, 0x02, /* Input (Data,Var,Abs) */
+ 0x95, 0x02, /* Report Count (2) */
+ 0x75, 0x10, /* Report Size (16) */
+ 0x16, 0x01, 0x80, /* Logical Minimum (-32767) */
+ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767) */
+ 0x05, 0x01, /* Usage Page (Generic Desktop) */
+ 0x09, 0x30, /* Usage (X) */
+ 0x09, 0x31, /* Usage (Y) */
+ 0x81, 0x06, /* Input (Data,Var,Rel) */
+ 0x95, 0x01, /* Report Count (1) */
+ 0x75, 0x08, /* Report Size (8) */
+ 0x15, 0x81, /* Logical Minimum (-127) */
+ 0x25, 0x7F, /* Logical Maximum (127) */
+ 0x09, 0x38, /* Usage (Wheel) */
+ 0x81, 0x06, /* Input (Data,Var,Rel) */
+ 0x95, 0x01, /* Report Count (1) */
+ 0x05, 0x0C, /* Usage Page (Consumer) */
+ 0x0A, 0x38, 0x02, /* Usage (AC Pan) */
+ 0x81, 0x06, /* Input (Data,Var,Rel) */
+ 0xC0, /* End Collection */
+ 0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined 0xFF00) */
+ 0x09, 0xF1, /* Usage (0xF1) */
+ 0x75, 0x08, /* Report Size (8) */
+ 0x95, 0x05, /* Report Count (5) */
+ 0x15, 0x00, /* Logical Minimum (0) */
+ 0x26, 0xFF, 0x00, /* Logical Maximum (255) */
+ 0x81, 0x00, /* Input (Data,Array,Abs) */
+ 0xC0, /* End Collection */
+};
+
/* Consumer Control descriptor (3) */
static const char consumer_descriptor[] = {
0x05, 0x0C, /* USAGE_PAGE (Consumer Devices) */
@@ -520,9 +605,9 @@ static const char hidpp_descriptor[] = {
/* Maximum size of all defined hid reports in bytes (including report id) */
#define MAX_REPORT_SIZE 8
-/* Make sure all descriptors are present here */
+/* Make sure the largest of each descriptor type is present here */
#define MAX_RDESC_SIZE \
- (sizeof(kbd_descriptor) + \
+ (sizeof(kbd_lightspeed_1_3_descriptor) +\
sizeof(mse_bluetooth_descriptor) + \
sizeof(mse5_bluetooth_descriptor) + \
sizeof(consumer_descriptor) + \
@@ -557,6 +642,8 @@ static const u8 hid_reportid_size_map[NUMBER_OF_HID_REPORTS] = {
static const struct hid_ll_driver logi_dj_ll_driver;
static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev);
+static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,
+ unsigned int timeout);
static void delayedwork_callback(struct work_struct *work);
static LIST_HEAD(dj_hdev_list);
@@ -805,7 +892,6 @@ static void delayedwork_callback(struct work_struct *work)
struct dj_workitem workitem;
unsigned long flags;
int count;
- int retval;
dbg_hid("%s\n", __func__);
@@ -842,11 +928,10 @@ static void delayedwork_callback(struct work_struct *work)
logi_dj_recv_destroy_djhid_device(djrcv_dev, &workitem);
break;
case WORKITEM_TYPE_UNKNOWN:
- retval = logi_dj_recv_query_paired_devices(djrcv_dev);
- if (retval) {
- hid_err(djrcv_dev->hidpp, "%s: logi_dj_recv_query_paired_devices error: %d\n",
- __func__, retval);
- }
+ if (!djrcv_dev->dj_mode)
+ logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0);
+
+ logi_dj_recv_query_paired_devices(djrcv_dev);
break;
case WORKITEM_TYPE_EMPTY:
dbg_hid("%s: device list is empty\n", __func__);
@@ -1239,8 +1324,13 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
djrcv_dev->last_query = jiffies;
- if (djrcv_dev->type != recvr_type_dj)
- return logi_dj_recv_query_hidpp_devices(djrcv_dev);
+ if (!djrcv_dev->dj_mode)
+ return 0;
+
+ if (djrcv_dev->type != recvr_type_dj) {
+ retval = logi_dj_recv_query_hidpp_devices(djrcv_dev);
+ goto out;
+ }
dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL);
if (!dj_report)
@@ -1250,6 +1340,10 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
dj_report->report_type = REPORT_TYPE_CMD_GET_PAIRED_DEVICES;
retval = logi_dj_recv_send_report(djrcv_dev, dj_report);
kfree(dj_report);
+out:
+ if (retval < 0)
+ hid_err(djrcv_dev->hidpp, "%s error:%d\n", __func__, retval);
+
return retval;
}
@@ -1275,6 +1369,8 @@ static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,
(u8)timeout;
retval = logi_dj_recv_send_report(djrcv_dev, dj_report);
+ if (retval)
+ goto out;
/*
* Ugly sleep to work around a USB 3.0 bug when the receiver is
@@ -1283,11 +1379,6 @@ static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,
* 50 msec should gives enough time to the receiver to be ready.
*/
msleep(50);
-
- if (retval) {
- kfree(dj_report);
- return retval;
- }
}
/*
@@ -1313,7 +1404,13 @@ static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,
HIDPP_REPORT_SHORT_LENGTH, HID_OUTPUT_REPORT,
HID_REQ_SET_REPORT);
+out:
kfree(dj_report);
+
+ if (retval < 0)
+ hid_err(hdev, "%s error:%d\n", __func__, retval);
+
+ djrcv_dev->dj_mode = retval >= 0;
return retval;
}
@@ -1374,12 +1471,19 @@ static int logi_dj_ll_raw_request(struct hid_device *hid,
return -EINVAL;
if (djrcv_dev->type != recvr_type_dj && count >= 2) {
+ unsigned char led_report_id = 0;
+
if (!djrcv_dev->keyboard) {
hid_warn(hid, "Received REPORT_TYPE_LEDS request before the keyboard interface was enumerated\n");
return 0;
}
+
+ /* This Lightspeed receiver expects LED reports with report ID 1 */
+ if (djrcv_dev->type == recvr_type_gaming_hidpp_ls_1_3)
+ led_report_id = 1;
+
/* usbhid overrides the report ID and ignores the first byte */
- return hid_hw_raw_request(djrcv_dev->keyboard, 0, buf, count,
+ return hid_hw_raw_request(djrcv_dev->keyboard, led_report_id, buf, count,
report_type, reqtype);
}
@@ -1426,7 +1530,11 @@ static int logi_dj_ll_parse(struct hid_device *hid)
if (djdev->reports_supported & STD_KEYBOARD) {
dbg_hid("%s: sending a kbd descriptor, reports_supported: %llx\n",
__func__, djdev->reports_supported);
- rdcat(rdesc, &rsize, kbd_descriptor, sizeof(kbd_descriptor));
+ if (djdev->dj_receiver_dev->type == recvr_type_gaming_hidpp_ls_1_3)
+ rdcat(rdesc, &rsize, kbd_lightspeed_1_3_descriptor,
+ sizeof(kbd_lightspeed_1_3_descriptor));
+ else
+ rdcat(rdesc, &rsize, kbd_descriptor, sizeof(kbd_descriptor));
}
if (djdev->reports_supported & STD_MOUSE) {
@@ -1436,6 +1544,9 @@ static int logi_dj_ll_parse(struct hid_device *hid)
djdev->dj_receiver_dev->type == recvr_type_mouse_only)
rdcat(rdesc, &rsize, mse_high_res_descriptor,
sizeof(mse_high_res_descriptor));
+ else if (djdev->dj_receiver_dev->type == recvr_type_gaming_hidpp_ls_1_3)
+ rdcat(rdesc, &rsize, mse_high_res_ls_1_3_descriptor,
+ sizeof(mse_high_res_ls_1_3_descriptor));
else if (djdev->dj_receiver_dev->type == recvr_type_27mhz)
rdcat(rdesc, &rsize, mse_27mhz_descriptor,
sizeof(mse_27mhz_descriptor));
@@ -1695,11 +1806,12 @@ static int logi_dj_raw_event(struct hid_device *hdev,
}
/*
* Mouse-only receivers send unnumbered mouse data. The 27 MHz
- * receiver uses 6 byte packets, the nano receiver 8 bytes.
+ * receiver uses 6 byte packets, the nano receiver 8 bytes,
+ * the lightspeed receiver (Pro X Superlight) 13 bytes.
*/
if (djrcv_dev->unnumbered_application == HID_GD_MOUSE &&
- size <= 8) {
- u8 mouse_report[9];
+ size <= 13){
+ u8 mouse_report[14];
/* Prepend report id */
mouse_report[0] = REPORT_TYPE_MOUSE;
@@ -1776,6 +1888,7 @@ static int logi_dj_probe(struct hid_device *hdev,
case recvr_type_dj: no_dj_interfaces = 3; break;
case recvr_type_hidpp: no_dj_interfaces = 2; break;
case recvr_type_gaming_hidpp: no_dj_interfaces = 3; break;
+ case recvr_type_gaming_hidpp_ls_1_3: no_dj_interfaces = 3; break;
case recvr_type_mouse_only: no_dj_interfaces = 2; break;
case recvr_type_27mhz: no_dj_interfaces = 2; break;
case recvr_type_bluetooth: no_dj_interfaces = 2; break;
@@ -1834,12 +1947,11 @@ static int logi_dj_probe(struct hid_device *hdev,
}
if (has_hidpp) {
- retval = logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0);
- if (retval < 0) {
- hid_err(hdev, "%s: logi_dj_recv_switch_to_dj_mode returned error:%d\n",
- __func__, retval);
- goto switch_to_dj_mode_fail;
- }
+ /*
+ * This can fail with a KVM. Ignore errors to let the probe
+ * succeed, logi_dj_recv_queue_unknown_work will retry later.
+ */
+ logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0);
}
/* This is enabling the polling urb on the IN endpoint */
@@ -1857,21 +1969,13 @@ static int logi_dj_probe(struct hid_device *hdev,
spin_lock_irqsave(&djrcv_dev->lock, flags);
djrcv_dev->ready = true;
spin_unlock_irqrestore(&djrcv_dev->lock, flags);
- retval = logi_dj_recv_query_paired_devices(djrcv_dev);
- if (retval < 0) {
- hid_err(hdev, "%s: logi_dj_recv_query_paired_devices error:%d\n",
- __func__, retval);
- /*
- * This can happen with a KVM, let the probe succeed,
- * logi_dj_recv_queue_unknown_work will retry later.
- */
- }
+ /* This too can fail with a KVM, ignore errors. */
+ logi_dj_recv_query_paired_devices(djrcv_dev);
}
return 0;
llopen_failed:
-switch_to_dj_mode_fail:
hid_hw_stop(hdev);
hid_hw_start_fail:
@@ -1882,18 +1986,12 @@ hid_hw_start_fail:
#ifdef CONFIG_PM
static int logi_dj_reset_resume(struct hid_device *hdev)
{
- int retval;
struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev);
if (!djrcv_dev || djrcv_dev->hidpp != hdev)
return 0;
- retval = logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0);
- if (retval < 0) {
- hid_err(hdev, "%s: logi_dj_recv_switch_to_dj_mode returned error:%d\n",
- __func__, retval);
- }
-
+ logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0);
return 0;
}
#endif
@@ -1987,6 +2085,14 @@ static const struct hid_device_id logi_dj_receivers[] = {
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_2),
.driver_data = recvr_type_gaming_hidpp},
+ { /* Logitech lightspeed receiver (0xc547) */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_3),
+ .driver_data = recvr_type_gaming_hidpp_ls_1_3},
+ { /* Logitech lightspeed receiver (0xc54d) */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_4),
+ .driver_data = recvr_type_gaming_hidpp_ls_1_3},
{ /* Logitech 27 MHz HID++ 1.0 receiver (0xc513) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
generated by cgit (git 2.34.1) at 2025-12-05 08:07:56 +0000