HID: roccat: add support for Ryos MK keyboards

Added support for 3 keyboards with increasing illumination capabilities

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

4 files changed, 248 insertions, 1 deletions

diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index a959f4aecaf5..30e44318f87f 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -95,7 +95,7 @@ obj-$(CONFIG_HID_PRIMAX)	+= hid-primax.o
 obj-$(CONFIG_HID_ROCCAT)        += hid-roccat.o hid-roccat-common.o \
         hid-roccat-arvo.o hid-roccat-isku.o hid-roccat-kone.o \
         hid-roccat-koneplus.o hid-roccat-konepure.o hid-roccat-kovaplus.o \
-        hid-roccat-lua.o hid-roccat-pyra.o hid-roccat-savu.o
+        hid-roccat-lua.o hid-roccat-pyra.o hid-roccat-ryos.o hid-roccat-savu.o
 obj-$(CONFIG_HID_SAITEK)        += hid-saitek.o
 obj-$(CONFIG_HID_SAMSUNG)       += hid-samsung.o
 obj-$(CONFIG_HID_SMARTJOYPLUS)  += hid-sjoy.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index e80da62363bc..00794229a2cf 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1811,6 +1811,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
 #endif
         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index f0296a50be5f..768fafc42c87 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -726,6 +726,9 @@
 #define USB_DEVICE_ID_ROCCAT_LUA        0x2c2e
 #define USB_DEVICE_ID_ROCCAT_PYRA_WIRED 0x2c24
 #define USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS      0x2cf6
+#define USB_DEVICE_ID_ROCCAT_RYOS_MK    0x3138
+#define USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW       0x31ce
+#define USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO        0x3232
 #define USB_DEVICE_ID_ROCCAT_SAVU       0x2d5a
 
 #define USB_VENDOR_ID_SAITEK            0x06a3
diff --git a/drivers/hid/hid-roccat-ryos.c b/drivers/hid/hid-roccat-ryos.c
new file mode 100644
index 000000000000..47cc8f30ff6d
--- /dev/null
+++ b/drivers/hid/hid-roccat-ryos.c
@@ -0,0 +1,241 @@
+/*
+ * Roccat Ryos driver for Linux
+ *
+ * Copyright (c) 2013 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>
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/hid-roccat.h>
+#include "hid-ids.h"
+#include "hid-roccat-common.h"
+
+enum {
+        RYOS_REPORT_NUMBER_SPECIAL = 3,
+        RYOS_USB_INTERFACE_PROTOCOL = 0,
+};
+
+struct ryos_report_special {
+        uint8_t number; /* RYOS_REPORT_NUMBER_SPECIAL */
+        uint8_t data[4];
+} __packed;
+
+static struct class *ryos_class;
+
+ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile, 0x05, 0x03);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_primary, 0x06, 0x7d);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_function, 0x07, 0x5f);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_macro, 0x08, 0x23);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_thumbster, 0x09, 0x17);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_extra, 0x0a, 0x08);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_easyzone, 0x0b, 0x126);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(key_mask, 0x0c, 0x06);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(light, 0x0d, 0x10);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(macro, 0x0e, 0x7d2);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_R(info, 0x0f, 0x08);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_W(reset, 0x11, 0x03);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_W(light_control, 0x13, 0x08);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x16, 0x10);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(stored_lights, 0x17, 0x0566);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_W(custom_lights, 0x18, 0x14);
+ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(light_macro, 0x19, 0x07d2);
+
+static struct bin_attribute *ryos_bin_attrs[] = {
+        &bin_attr_control,
+        &bin_attr_profile,
+        &bin_attr_keys_primary,
+        &bin_attr_keys_function,
+        &bin_attr_keys_macro,
+        &bin_attr_keys_thumbster,
+        &bin_attr_keys_extra,
+        &bin_attr_keys_easyzone,
+        &bin_attr_key_mask,
+        &bin_attr_light,
+        &bin_attr_macro,
+        &bin_attr_info,
+        &bin_attr_reset,
+        &bin_attr_light_control,
+        &bin_attr_talk,
+        &bin_attr_stored_lights,
+        &bin_attr_custom_lights,
+        &bin_attr_light_macro,
+        NULL,
+};
+
+static const struct attribute_group ryos_group = {
+        .bin_attrs = ryos_bin_attrs,
+};
+
+static const struct attribute_group *ryos_groups[] = {
+        &ryos_group,
+        NULL,
+};
+
+static int ryos_init_specials(struct hid_device *hdev)
+{
+        struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+        struct usb_device *usb_dev = interface_to_usbdev(intf);
+        struct roccat_common2_device *ryos;
+        int retval;
+
+        if (intf->cur_altsetting->desc.bInterfaceProtocol
+                        != RYOS_USB_INTERFACE_PROTOCOL) {
+                hid_set_drvdata(hdev, NULL);
+                return 0;
+        }
+
+        ryos = kzalloc(sizeof(*ryos), GFP_KERNEL);
+        if (!ryos) {
+                hid_err(hdev, "can't alloc device descriptor\n");
+                return -ENOMEM;
+        }
+        hid_set_drvdata(hdev, ryos);
+
+        retval = roccat_common2_device_init_struct(usb_dev, ryos);
+        if (retval) {
+                hid_err(hdev, "couldn't init Ryos device\n");
+                goto exit_free;
+        }
+
+        retval = roccat_connect(ryos_class, hdev,
+                        sizeof(struct ryos_report_special));
+        if (retval < 0) {
+                hid_err(hdev, "couldn't init char dev\n");
+        } else {
+                ryos->chrdev_minor = retval;
+                ryos->roccat_claimed = 1;
+        }
+
+        return 0;
+exit_free:
+        kfree(ryos);
+        return retval;
+}
+
+static void ryos_remove_specials(struct hid_device *hdev)
+{
+        struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+        struct roccat_common2_device *ryos;
+
+        if (intf->cur_altsetting->desc.bInterfaceProtocol
+                        != RYOS_USB_INTERFACE_PROTOCOL)
+                return;
+
+        ryos = hid_get_drvdata(hdev);
+        if (ryos->roccat_claimed)
+                roccat_disconnect(ryos->chrdev_minor);
+        kfree(ryos);
+}
+
+static int ryos_probe(struct hid_device *hdev,
+                const struct hid_device_id *id)
+{
+        int retval;
+
+        retval = hid_parse(hdev);
+        if (retval) {
+                hid_err(hdev, "parse failed\n");
+                goto exit;
+        }
+
+        retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+        if (retval) {
+                hid_err(hdev, "hw start failed\n");
+                goto exit;
+        }
+
+        retval = ryos_init_specials(hdev);
+        if (retval) {
+                hid_err(hdev, "couldn't install mouse\n");
+                goto exit_stop;
+        }
+
+        return 0;
+
+exit_stop:
+        hid_hw_stop(hdev);
+exit:
+        return retval;
+}
+
+static void ryos_remove(struct hid_device *hdev)
+{
+        ryos_remove_specials(hdev);
+        hid_hw_stop(hdev);
+}
+
+static int ryos_raw_event(struct hid_device *hdev,
+                struct hid_report *report, u8 *data, int size)
+{
+        struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+        struct roccat_common2_device *ryos = hid_get_drvdata(hdev);
+
+        if (intf->cur_altsetting->desc.bInterfaceProtocol
+                        != RYOS_USB_INTERFACE_PROTOCOL)
+                return 0;
+
+        if (data[0] != RYOS_REPORT_NUMBER_SPECIAL)
+                return 0;
+
+        if (ryos != NULL && ryos->roccat_claimed)
+                roccat_report_event(ryos->chrdev_minor, data);
+
+        return 0;
+}
+
+static const struct hid_device_id ryos_devices[] = {
+        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
+        { }
+};
+
+MODULE_DEVICE_TABLE(hid, ryos_devices);
+
+static struct hid_driver ryos_driver = {
+                .name = "ryos",
+                .id_table = ryos_devices,
+                .probe = ryos_probe,
+                .remove = ryos_remove,
+                .raw_event = ryos_raw_event
+};
+
+static int __init ryos_init(void)
+{
+        int retval;
+
+        ryos_class = class_create(THIS_MODULE, "ryos");
+        if (IS_ERR(ryos_class))
+                return PTR_ERR(ryos_class);
+        ryos_class->dev_groups = ryos_groups;
+
+        retval = hid_register_driver(&ryos_driver);
+        if (retval)
+                class_destroy(ryos_class);
+        return retval;
+}
+
+static void __exit ryos_exit(void)
+{
+        hid_unregister_driver(&ryos_driver);
+        class_destroy(ryos_class);
+}
+
+module_init(ryos_init);
+module_exit(ryos_exit);
+
+MODULE_AUTHOR("Stefan Achatz");
+MODULE_DESCRIPTION("USB Roccat Ryos MK/Glow/Pro driver");
+MODULE_LICENSE("GPL v2");