HID: logitech-dj: merge header file into the source

There is no point in keeping the header in a separate file, nobody
but hid-logitech-dj should have access to its content.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Andrew de los Reyes <adlr@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-logitech-dj.c

@@ -26,9 +26,95 @@
 #include <linux/hid.h>
 #include <linux/module.h>
 #include <linux/usb.h>
+#include <linux/kfifo.h>
 #include <asm/unaligned.h>
 #include "hid-ids.h"
-#include "hid-logitech-dj.h"
+
+#define DJ_MAX_PAIRED_DEVICES			6
+#define DJ_MAX_NUMBER_NOTIFICATIONS		8
+#define DJ_RECEIVER_INDEX			0
+#define DJ_DEVICE_INDEX_MIN			1
+#define DJ_DEVICE_INDEX_MAX			6
+
+#define DJREPORT_SHORT_LENGTH			15
+#define DJREPORT_LONG_LENGTH			32
+
+#define REPORT_ID_DJ_SHORT			0x20
+#define REPORT_ID_DJ_LONG			0x21
+
+#define REPORT_TYPE_RFREPORT_LAST		0x1F
+
+/* Command Switch to DJ mode */
+#define REPORT_TYPE_CMD_SWITCH			0x80
+#define CMD_SWITCH_PARAM_DEVBITFIELD		0x00
+#define CMD_SWITCH_PARAM_TIMEOUT_SECONDS	0x01
+#define TIMEOUT_NO_KEEPALIVE			0x00
+
+/* Command to Get the list of Paired devices */
+#define REPORT_TYPE_CMD_GET_PAIRED_DEVICES	0x81
+
+/* Device Paired Notification */
+#define REPORT_TYPE_NOTIF_DEVICE_PAIRED		0x41
+#define SPFUNCTION_MORE_NOTIF_EXPECTED		0x01
+#define SPFUNCTION_DEVICE_LIST_EMPTY		0x02
+#define DEVICE_PAIRED_PARAM_SPFUNCTION		0x00
+#define DEVICE_PAIRED_PARAM_EQUAD_ID_LSB	0x01
+#define DEVICE_PAIRED_PARAM_EQUAD_ID_MSB	0x02
+#define DEVICE_PAIRED_RF_REPORT_TYPE		0x03
+
+/* 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
+#define STATUS_LINKLOSS				0x01
+
+/* Error Notification */
+#define REPORT_TYPE_NOTIF_ERROR			0x7F
+#define NOTIF_ERROR_PARAM_ETYPE			0x00
+#define ETYPE_KEEPALIVE_TIMEOUT			0x01
+
+/* supported DJ HID && RF report types */
+#define REPORT_TYPE_KEYBOARD			0x01
+#define REPORT_TYPE_MOUSE			0x02
+#define REPORT_TYPE_CONSUMER_CONTROL		0x03
+#define REPORT_TYPE_SYSTEM_CONTROL		0x04
+#define REPORT_TYPE_MEDIA_CENTER		0x08
+#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
+
+struct dj_report {
+	u8 report_id;
+	u8 device_index;
+	u8 report_type;
+	u8 report_params[DJREPORT_SHORT_LENGTH - 3];
+};
+
+struct dj_receiver_dev {
+	struct hid_device *hdev;
+	struct dj_device *paired_dj_devices[DJ_MAX_PAIRED_DEVICES +
+					    DJ_DEVICE_INDEX_MIN];
+	struct work_struct work;
+	struct kfifo notif_fifo;
+	spinlock_t lock;
+	bool querying_devices;
+};
+
+struct dj_device {
+	struct hid_device *hdev;
+	struct dj_receiver_dev *dj_receiver_dev;
+	u32 reports_supported;
+	u8 device_index;
+};
 
 /* Keyboard descriptor (1) */
 static const char kbd_descriptor[] = {