diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index 826fa1e..b1e8946 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -25,13 +25,14 @@
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
-#include <linux/usb.h>
#include <linux/kfifo.h>
+#include <linux/delay.h>
+#include <linux/usb.h> /* For to_usb_interface for kvm extra intf check */
#include <asm/unaligned.h>
#include "hid-ids.h"
#define DJ_MAX_PAIRED_DEVICES 6
-#define DJ_MAX_NUMBER_NOTIFICATIONS 8
+#define DJ_MAX_NUMBER_NOTIFS 8
#define DJ_RECEIVER_INDEX 0
#define DJ_DEVICE_INDEX_MIN 1
#define DJ_DEVICE_INDEX_MAX 6
@@ -74,7 +75,6 @@
/* Device Un-Paired Notification */
#define REPORT_TYPE_NOTIF_DEVICE_UNPAIRED 0x40
-
/* Connection Status Notification */
#define REPORT_TYPE_NOTIF_CONNECTION_STATUS 0x42
#define CONNECTION_STATUS_PARAM_STATUS 0x00
@@ -94,12 +94,43 @@
#define REPORT_TYPE_LEDS 0x0E
/* RF Report types bitfield */
-#define STD_KEYBOARD 0x00000002
-#define STD_MOUSE 0x00000004
-#define MULTIMEDIA 0x00000008
-#define POWER_KEYS 0x00000010
-#define MEDIA_CENTER 0x00000100
-#define KBD_LEDS 0x00004000
+#define STD_KEYBOARD BIT(1)
+#define STD_MOUSE BIT(2)
+#define MULTIMEDIA BIT(3)
+#define POWER_KEYS BIT(4)
+#define MEDIA_CENTER BIT(8)
+#define KBD_LEDS BIT(14)
+/* Fake (bitnr > NUMBER_OF_HID_REPORTS) bit to track HID++ capability */
+#define HIDPP BIT_ULL(63)
+
+/* HID++ Device Connected Notification */
+#define REPORT_TYPE_NOTIF_DEVICE_CONNECTED 0x41
+#define HIDPP_PARAM_PROTO_TYPE 0x00
+#define HIDPP_PARAM_DEVICE_INFO 0x01
+#define HIDPP_PARAM_EQUAD_LSB 0x02
+#define HIDPP_PARAM_EQUAD_MSB 0x03
+#define HIDPP_PARAM_27MHZ_DEVID 0x03
+#define HIDPP_DEVICE_TYPE_MASK GENMASK(3, 0)
+#define HIDPP_LINK_STATUS_MASK BIT(6)
+#define HIDPP_MANUFACTURER_MASK BIT(7)
+
+#define HIDPP_DEVICE_TYPE_KEYBOARD 1
+#define HIDPP_DEVICE_TYPE_MOUSE 2
+
+#define HIDPP_SET_REGISTER 0x80
+#define HIDPP_GET_LONG_REGISTER 0x83
+#define HIDPP_REG_CONNECTION_STATE 0x02
+#define HIDPP_REG_PAIRING_INFORMATION 0xB5
+#define HIDPP_PAIRING_INFORMATION 0x20
+#define HIDPP_FAKE_DEVICE_ARRIVAL 0x02
+
+enum recvr_type {
+ recvr_type_dj,
+ recvr_type_hidpp,
+ recvr_type_gaming_hidpp,
+ recvr_type_27mhz,
+ recvr_type_bluetooth,
+};
struct dj_report {
u8 report_id;
@@ -108,23 +139,51 @@ struct dj_report {
u8 report_params[DJREPORT_SHORT_LENGTH - 3];
};
+struct hidpp_event {
+ u8 report_id;
+ u8 device_index;
+ u8 sub_id;
+ u8 params[HIDPP_REPORT_LONG_LENGTH - 3U];
+} __packed;
+
struct dj_receiver_dev {
- struct hid_device *hdev;
+ struct hid_device *mouse;
+ struct hid_device *keyboard;
+ struct hid_device *hidpp;
struct dj_device *paired_dj_devices[DJ_MAX_PAIRED_DEVICES +
DJ_DEVICE_INDEX_MIN];
+ struct list_head list;
+ struct kref kref;
struct work_struct work;
struct kfifo notif_fifo;
+ unsigned long last_query; /* in jiffies */
+ bool ready;
+ enum recvr_type type;
+ unsigned int unnumbered_application;
spinlock_t lock;
- bool querying_devices;
};
struct dj_device {
struct hid_device *hdev;
struct dj_receiver_dev *dj_receiver_dev;
- u32 reports_supported;
+ u64 reports_supported;
u8 device_index;
};
+#define WORKITEM_TYPE_EMPTY 0
+#define WORKITEM_TYPE_PAIRED 1
+#define WORKITEM_TYPE_UNPAIRED 2
+#define WORKITEM_TYPE_UNKNOWN 255
+
+struct dj_workitem {
+ u8 type; /* WORKITEM_TYPE_* */
+ u8 device_index;
+ u8 device_type;
+ u8 quad_id_msb;
+ u8 quad_id_lsb;
+ u64 reports_supported;
+};
+
/* Keyboard descriptor (1) */
static const char kbd_descriptor[] = {
0x05, 0x01, /* USAGE_PAGE (generic Desktop) */
@@ -200,6 +259,131 @@ static const char mse_descriptor[] = {
0xC0, /* END_COLLECTION */
};
+/* Mouse descriptor (2) for 27 MHz receiver, only 8 buttons */
+static const char mse_27mhz_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) */
+ 0x05, 0x09, /* USAGE_PAGE (buttons) */
+ 0x19, 0x01, /* USAGE_MIN (1) */
+ 0x29, 0x08, /* USAGE_MAX (8) */
+ 0x15, 0x00, /* LOGICAL_MIN (0) */
+ 0x25, 0x01, /* LOGICAL_MAX (1) */
+ 0x95, 0x08, /* REPORT_COUNT (8) */
+ 0x75, 0x01, /* REPORT_SIZE (1) */
+ 0x81, 0x02, /* INPUT (data var abs) */
+ 0x05, 0x01, /* USAGE_PAGE (generic desktop) */
+ 0x16, 0x01, 0xF8, /* LOGICAL_MIN (-2047) */
+ 0x26, 0xFF, 0x07, /* LOGICAL_MAX (2047) */
+ 0x75, 0x0C, /* REPORT_SIZE (12) */
+ 0x95, 0x02, /* REPORT_COUNT (2) */
+ 0x09, 0x30, /* USAGE (X) */
+ 0x09, 0x31, /* USAGE (Y) */
+ 0x81, 0x06, /* INPUT */
+ 0x15, 0x81, /* LOGICAL_MIN (-127) */
+ 0x25, 0x7F, /* LOGICAL_MAX (127) */
+ 0x75, 0x08, /* REPORT_SIZE (8) */
+ 0x95, 0x01, /* REPORT_COUNT (1) */
+ 0x09, 0x38, /* USAGE (wheel) */
+ 0x81, 0x06, /* INPUT */
+ 0x05, 0x0C, /* USAGE_PAGE(consumer) */
+ 0x0A, 0x38, 0x02, /* USAGE(AC Pan) */
+ 0x95, 0x01, /* REPORT_COUNT (1) */
+ 0x81, 0x06, /* INPUT */
+ 0xC0, /* END_COLLECTION */
+ 0xC0, /* END_COLLECTION */
+};
+
+/* Mouse descriptor (2) for Bluetooth receiver, low-res hwheel, 12 buttons */
+static const char mse_bluetooth_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) */
+ 0x05, 0x09, /* USAGE_PAGE (buttons) */
+ 0x19, 0x01, /* USAGE_MIN (1) */
+ 0x29, 0x08, /* USAGE_MAX (8) */
+ 0x15, 0x00, /* LOGICAL_MIN (0) */
+ 0x25, 0x01, /* LOGICAL_MAX (1) */
+ 0x95, 0x08, /* REPORT_COUNT (8) */
+ 0x75, 0x01, /* REPORT_SIZE (1) */
+ 0x81, 0x02, /* INPUT (data var abs) */
+ 0x05, 0x01, /* USAGE_PAGE (generic desktop) */
+ 0x16, 0x01, 0xF8, /* LOGICAL_MIN (-2047) */
+ 0x26, 0xFF, 0x07, /* LOGICAL_MAX (2047) */
+ 0x75, 0x0C, /* REPORT_SIZE (12) */
+ 0x95, 0x02, /* REPORT_COUNT (2) */
+ 0x09, 0x30, /* USAGE (X) */
+ 0x09, 0x31, /* USAGE (Y) */
+ 0x81, 0x06, /* INPUT */
+ 0x15, 0x81, /* LOGICAL_MIN (-127) */
+ 0x25, 0x7F, /* LOGICAL_MAX (127) */
+ 0x75, 0x08, /* REPORT_SIZE (8) */
+ 0x95, 0x01, /* REPORT_COUNT (1) */
+ 0x09, 0x38, /* USAGE (wheel) */
+ 0x81, 0x06, /* INPUT */