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path: root/drivers/hid/hid-roccat-kone.c
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Diffstat (limited to 'drivers/hid/hid-roccat-kone.c')
-rw-r--r--drivers/hid/hid-roccat-kone.c156
1 files changed, 44 insertions, 112 deletions
diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index cbd8cc42e75a..a57838d15267 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -28,11 +28,11 @@
#include <linux/device.h>
#include <linux/input.h>
#include <linux/hid.h>
-#include <linux/usb.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/hid-roccat.h>
#include "hid-ids.h"
-#include "hid-roccat.h"
+#include "hid-roccat-common.h"
#include "hid-roccat-kone.h"
static uint profile_numbers[5] = {0, 1, 2, 3, 4};
@@ -58,12 +58,8 @@ static void kone_set_settings_checksum(struct kone_settings *settings)
*/
static int kone_check_write(struct usb_device *usb_dev)
{
- int len;
- unsigned char *data;
-
- data = kmalloc(1, GFP_KERNEL);
- if (!data)
- return -ENOMEM;
+ int retval;
+ uint8_t data;
do {
/*
@@ -72,56 +68,36 @@ static int kone_check_write(struct usb_device *usb_dev)
*/
msleep(80);
- len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
- USB_REQ_CLEAR_FEATURE,
- USB_TYPE_CLASS | USB_RECIP_INTERFACE |
- USB_DIR_IN,
- kone_command_confirm_write, 0, data, 1,
- USB_CTRL_SET_TIMEOUT);
-
- if (len != 1) {
- kfree(data);
- return -EIO;
- }
+ retval = roccat_common_receive(usb_dev,
+ kone_command_confirm_write, &data, 1);
+ if (retval)
+ return retval;
/*
* value of 3 seems to mean something like
* "not finished yet, but it looks good"
* So check again after a moment.
*/
- } while (*data == 3);
+ } while (data == 3);
- if (*data == 1) { /* everything alright */
- kfree(data);
+ if (data == 1) /* everything alright */
return 0;
- } else { /* unknown answer */
- hid_err(usb_dev, "got retval %d when checking write\n", *data);
- kfree(data);
- return -EIO;
- }
+
+ /* unknown answer */
+ hid_err(usb_dev, "got retval %d when checking write\n", data);
+ return -EIO;
}
/*
* Reads settings from mouse and stores it in @buf
- * @buf has to be alloced with GFP_KERNEL
* On success returns 0
* On failure returns errno
*/
static int kone_get_settings(struct usb_device *usb_dev,
struct kone_settings *buf)
{
- int len;
-
- len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
- USB_REQ_CLEAR_FEATURE,
- USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
- kone_command_settings, 0, buf,
- sizeof(struct kone_settings), USB_CTRL_SET_TIMEOUT);
-
- if (len != sizeof(struct kone_settings))
- return -EIO;
-
- return 0;
+ return roccat_common_receive(usb_dev, kone_command_settings, buf,
+ sizeof(struct kone_settings));
}
/*
@@ -132,22 +108,12 @@ static int kone_get_settings(struct usb_device *usb_dev,
static int kone_set_settings(struct usb_device *usb_dev,
struct kone_settings const *settings)
{
- int len;
-
- len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
- USB_REQ_SET_CONFIGURATION,
- USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
- kone_command_settings, 0, (char *)settings,
- sizeof(struct kone_settings),
- USB_CTRL_SET_TIMEOUT);
-
- if (len != sizeof(struct kone_settings))
- return -EIO;
-
- if (kone_check_write(usb_dev))
- return -EIO;
-
- return 0;
+ int retval;
+ retval = roccat_common_send(usb_dev, kone_command_settings,
+ settings, sizeof(struct kone_settings));
+ if (retval)
+ return retval;
+ return kone_check_write(usb_dev);
}
/*
@@ -193,7 +159,7 @@ static int kone_set_profile(struct usb_device *usb_dev,
len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
USB_REQ_SET_CONFIGURATION,
USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
- kone_command_profile, number, (char *)profile,
+ kone_command_profile, number, (void *)profile,
sizeof(struct kone_profile),
USB_CTRL_SET_TIMEOUT);
@@ -213,24 +179,15 @@ static int kone_set_profile(struct usb_device *usb_dev,
*/
static int kone_get_weight(struct usb_device *usb_dev, int *result)
{
- int len;
- uint8_t *data;
+ int retval;
+ uint8_t data;
- data = kmalloc(1, GFP_KERNEL);
- if (!data)
- return -ENOMEM;
+ retval = roccat_common_receive(usb_dev, kone_command_weight, &data, 1);
- len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
- USB_REQ_CLEAR_FEATURE,
- USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
- kone_command_weight, 0, data, 1, USB_CTRL_SET_TIMEOUT);
+ if (retval)
+ return retval;
- if (len != 1) {
- kfree(data);
- return -EIO;
- }
- *result = (int)*data;
- kfree(data);
+ *result = (int)data;
return 0;
}
@@ -241,25 +198,15 @@ static int kone_get_weight(struct usb_device *usb_dev, int *result)
*/
static int kone_get_firmware_version(struct usb_device *usb_dev, int *result)
{
- int len;
- unsigned char *data;
-
- data = kmalloc(2, GFP_KERNEL);
- if (!data)
- return -ENOMEM;
+ int retval;
+ uint16_t data;
- len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
- USB_REQ_CLEAR_FEATURE,
- USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
- kone_command_firmware_version, 0, data, 2,
- USB_CTRL_SET_TIMEOUT);
+ retval = roccat_common_receive(usb_dev, kone_command_firmware_version,
+ &data, 2);
+ if (retval)
+ return retval;
- if (len != 2) {
- kfree(data);
- return -EIO;
- }
- *result = le16_to_cpu(*data);
- kfree(data);
+ *result = le16_to_cpu(data);
return 0;
}
@@ -435,23 +382,9 @@ static ssize_t kone_sysfs_show_tcu(struct device *dev,
static int kone_tcu_command(struct usb_device *usb_dev, int number)
{
- int len;
- char *value;
-
- value = kmalloc(1, GFP_KERNEL);
- if (!value)
- return -ENOMEM;
-
- *value = number;
-
- len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
- USB_REQ_SET_CONFIGURATION,
- USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
- kone_command_calibrate, 0, value, 1,
- USB_CTRL_SET_TIMEOUT);
-
- kfree(value);
- return ((len != 1) ? -EIO : 0);
+ unsigned char value;
+ value = number;
+ return roccat_common_send(usb_dev, kone_command_calibrate, &value, 1);
}
/*
@@ -727,7 +660,8 @@ static int kone_init_specials(struct hid_device *hdev)
goto exit_free;
}
- retval = roccat_connect(kone_class, hdev);
+ retval = roccat_connect(kone_class, hdev,
+ sizeof(struct kone_roccat_report));
if (retval < 0) {
hid_err(hdev, "couldn't init char dev\n");
/* be tolerant about not getting chrdev */
@@ -827,8 +761,7 @@ static void kone_report_to_chrdev(struct kone_device const *kone,
roccat_report.value = event->value;
roccat_report.key = 0;
roccat_report_event(kone->chrdev_minor,
- (uint8_t *)&roccat_report,
- sizeof(struct kone_roccat_report));
+ (uint8_t *)&roccat_report);
break;
case kone_mouse_event_call_overlong_macro:
if (event->value == kone_keystroke_action_press) {
@@ -836,8 +769,7 @@ static void kone_report_to_chrdev(struct kone_device const *kone,
roccat_report.value = kone->actual_profile;
roccat_report.key = event->macro_key;
roccat_report_event(kone->chrdev_minor,
- (uint8_t *)&roccat_report,
- sizeof(struct kone_roccat_report));
+ (uint8_t *)&roccat_report);
}
break;
}
@@ -912,8 +844,8 @@ static int __init kone_init(void)
static void __exit kone_exit(void)
{
- class_destroy(kone_class);
hid_unregister_driver(&kone_driver);
+ class_destroy(kone_class);
}
module_init(kone_init);
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-23 11:56:07 +0000