HID: add chardev to propagate special events of Roccat hardware to userland

185 lines not on this page · raw message

index ee6898c..003e6f8 100644
@@ -14,10 +14,7 @@
 
 #include <linux/types.h>
 
-#define DRIVER_VERSION "v0.3.0"
-#define DRIVER_AUTHOR "Stefan Achatz"
-#define DRIVER_DESC "USB Roccat Kone driver"
-#define DRIVER_LICENSE "GPL v2"
+#define ROCCAT_KONE_DRIVER_VERSION "v0.3.1"
 
 #pragma pack(push)
 #pragma pack(1)

@@ -83,6 +80,17 @@ enum kone_button_info_types {
 	kone_button_info_type_multimedia_volume_down = 0x27
 };
 
+enum kone_button_info_numbers {
+	kone_button_top = 1,
+	kone_button_wheel_tilt_left = 2,
+	kone_button_wheel_tilt_right = 3,
+	kone_button_forward = 4,
+	kone_button_backward = 5,
+	kone_button_middle = 6,
+	kone_button_plus = 7,
+	kone_button_minus = 8,
+};
+
 struct kone_light_info {
 	uint8_t number; /* number of light 1-5 */
 	uint8_t mod;   /* 1 = on, 2 = off */

@@ -120,6 +128,7 @@ struct kone_profile {
 	uint8_t light_effect_speed; /* range 0-255 */
 
 	struct kone_light_info light_infos[5];
+	/* offset is kone_button_info_numbers - 1 */
 	struct kone_button_info button_infos[8];
 
 	uint16_t checksum; /* \brief holds checksum of struct */

@@ -165,7 +174,7 @@ enum kone_mouse_events {
 	/* TODO clarify meaning and occurence of kone_mouse_event_calibration */
 	kone_mouse_event_calibration = 0xc0,
 	kone_mouse_event_call_overlong_macro = 0xe0,
-	/* switch events notify if user changed values wiht mousebutton click */
+	/* switch events notify if user changed values with mousebutton click */
 	kone_mouse_event_switch_dpi = 0xf0,
 	kone_mouse_event_switch_profile = 0xf1
 };

@@ -180,6 +189,12 @@ enum kone_commands {
 	kone_command_firmware = 0xe5a
 };
 
+struct kone_roccat_report {
+	uint8_t event;
+	uint8_t value; /* holds dpi or profile value */
+	uint8_t key; /* macro key on overlong macro execution */
+};
+
 #pragma pack(pop)
 
 struct kone_device {

@@ -188,8 +203,9 @@ struct kone_device {
 	 * is no way of getting this information from the device on demand
 	 */
 	int actual_profile, actual_dpi;
-	/* Used for neutralizing abnormal tilt button behaviour */
-	int last_tilt_state;
+	/* Used for neutralizing abnormal button behaviour */
+	struct kone_mouse_event last_mouse_event;
+
 	/*
 	 * It's unlikely that multiple sysfs attributes are accessed at a time,
 	 * so only one mutex is used to secure hardware access and profiles and

@@ -209,6 +225,9 @@ struct kone_device {
 	 * so it's read only once
 	 */
 	int firmware_version;
+
+	int roccat_claimed;
+	int chrdev_minor;
 };
 
 #endif

428 lines not on this page · raw message

new file mode 100644
index 0000000..40cca5b
@@ -0,0 +1,31 @@
+#ifndef __HID_ROCCAT_H
+#define __HID_ROCCAT_H
+
+/*
+ * Copyright (c) 2010 Stefan Achatz <[email protected]>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/hid.h>
+#include <linux/types.h>
+
+#ifdef CONFIG_HID_ROCCAT
+int roccat_connect(struct hid_device *hid);
+void roccat_disconnect(int minor);
+int roccat_report_event(int minor, u8 const *data, int len);
+#else
+static inline int roccat_connect(struct hid_device *hid) { return -1; }
+static inline void roccat_disconnect(int minor) {}
+static inline int roccat_report_event(int minor, u8 const *data, int len)
+{
+	return 0;
+}
+#endif
+
+#endif