HID: roccat: add support for Roccat Savu

This patch adds rupport for Roccat Savu gaming mouse.

In comparison to the other Roccat modules I tried to move even more
functionality to userland.

Userland tools can soon be found at http://sourceforge.net/projects/roccat

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 103 insertions, 0 deletions

diff --git a/drivers/hid/hid-roccat-savu.h b/drivers/hid/hid-roccat-savu.h
new file mode 100644
index 000000000000..97b43d5b0477
--- /dev/null
+++ b/drivers/hid/hid-roccat-savu.h
@@ -0,0 +1,103 @@
+#ifndef __HID_ROCCAT_SAVU_H
+#define __HID_ROCCAT_SAVU_H
+
+/*
+ * Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net>
+ */
+
+/*
+ * 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/types.h>
+
+enum {
+        SAVU_SIZE_CONTROL = 0x03,
+        SAVU_SIZE_PROFILE = 0x03,
+        SAVU_SIZE_GENERAL = 0x10,
+        SAVU_SIZE_BUTTONS = 0x2f,
+        SAVU_SIZE_MACRO = 0x0823,
+        SAVU_SIZE_INFO = 0x08,
+};
+
+struct savu_control {
+        uint8_t command; /* SAVU_COMMAND_CONTROL */
+        /*
+         * value is profile number in range 0-4 for requesting settings and buttons
+         * 1 if status ok for requesting status
+         */
+        uint8_t value;
+        uint8_t request;
+} __packed;
+
+enum savu_control_requests {
+        SAVU_CONTROL_REQUEST_WRITE_CHECK = 0x00,
+        SAVU_CONTROL_REQUEST_GENERAL = 0x80,
+        SAVU_CONTROL_REQUEST_BUTTONS = 0x90,
+};
+
+enum savu_control_values {
+        SAVU_CONTROL_REQUEST_WRITE_CHECK_OVERLOAD = 0,
+        SAVU_CONTROL_REQUEST_WRITE_CHECK_OK = 1,
+        SAVU_CONTROL_REQUEST_WRITE_CHECK_INVALID = 2,
+        SAVU_CONTROL_REQUEST_WRITE_CHECK_WAIT = 3,
+};
+
+enum savu_commands {
+        SAVU_COMMAND_CONTROL = 0x4,
+        SAVU_COMMAND_PROFILE = 0x5,
+        SAVU_COMMAND_GENERAL = 0x6,
+        SAVU_COMMAND_BUTTONS = 0x7,
+        SAVU_COMMAND_MACRO = 0x8,
+        SAVU_COMMAND_INFO = 0x9,
+};
+
+struct savu_mouse_report_special {
+        uint8_t report_number; /* always 3 */
+        uint8_t zero;
+        uint8_t type;
+        uint8_t data[2];
+} __packed;
+
+enum {
+        SAVU_MOUSE_REPORT_NUMBER_SPECIAL = 3,
+};
+
+enum savu_mouse_report_button_types {
+        /* data1 = new profile range 1-5 */
+        SAVU_MOUSE_REPORT_BUTTON_TYPE_PROFILE = 0x20,
+
+        /* data1 = button number range 1-24; data2 = action */
+        SAVU_MOUSE_REPORT_BUTTON_TYPE_QUICKLAUNCH = 0x60,
+
+        /* data1 = button number range 1-24; data2 = action */
+        SAVU_MOUSE_REPORT_BUTTON_TYPE_TIMER = 0x80,
+
+        /* data1 = setting number range 1-5 */
+        SAVU_MOUSE_REPORT_BUTTON_TYPE_CPI = 0xb0,
+
+        /* data1 and data2 = range 0x1-0xb */
+        SAVU_MOUSE_REPORT_BUTTON_TYPE_SENSITIVITY = 0xc0,
+
+        /* data1 = 22 = next track...
+         * data2 = action
+         */
+        SAVU_MOUSE_REPORT_BUTTON_TYPE_MULTIMEDIA = 0xf0,
+};
+
+struct savu_roccat_report {
+        uint8_t type;
+        uint8_t data[2];
+} __packed;
+
+struct savu_device {
+        int roccat_claimed;
+        int chrdev_minor;
+
+        struct mutex savu_lock;
+};
+
+#endif