aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/hid/hid-roccat-kovaplus.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hid/hid-roccat-kovaplus.c')
-rw-r--r--drivers/hid/hid-roccat-kovaplus.c237
1 files changed, 117 insertions, 120 deletions
diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c
index ca6527ac655d..b8b37789b864 100644
--- a/drivers/hid/hid-roccat-kovaplus.c
+++ b/drivers/hid/hid-roccat-kovaplus.c
@@ -70,13 +70,6 @@ static int kovaplus_select_profile(struct usb_device *usb_dev, uint number,
return kovaplus_send_control(usb_dev, number, request);
}
-static int kovaplus_get_info(struct usb_device *usb_dev,
- struct kovaplus_info *buf)
-{
- return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
- buf, sizeof(struct kovaplus_info));
-}
-
static int kovaplus_get_profile_settings(struct usb_device *usb_dev,
struct kovaplus_profile_settings *buf, uint number)
{
@@ -88,15 +81,7 @@ static int kovaplus_get_profile_settings(struct usb_device *usb_dev,
return retval;
return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_SETTINGS,
- buf, sizeof(struct kovaplus_profile_settings));
-}
-
-static int kovaplus_set_profile_settings(struct usb_device *usb_dev,
- struct kovaplus_profile_settings const *settings)
-{
- return roccat_common2_send_with_status(usb_dev,
- KOVAPLUS_COMMAND_PROFILE_SETTINGS,
- settings, sizeof(struct kovaplus_profile_settings));
+ buf, KOVAPLUS_SIZE_PROFILE_SETTINGS);
}
static int kovaplus_get_profile_buttons(struct usb_device *usb_dev,
@@ -110,15 +95,7 @@ static int kovaplus_get_profile_buttons(struct usb_device *usb_dev,
return retval;
return roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_PROFILE_BUTTONS,
- buf, sizeof(struct kovaplus_profile_buttons));
-}
-
-static int kovaplus_set_profile_buttons(struct usb_device *usb_dev,
- struct kovaplus_profile_buttons const *buttons)
-{
- return roccat_common2_send_with_status(usb_dev,
- KOVAPLUS_COMMAND_PROFILE_BUTTONS,
- buttons, sizeof(struct kovaplus_profile_buttons));
+ buf, KOVAPLUS_SIZE_PROFILE_BUTTONS);
}
/* retval is 0-4 on success, < 0 on error */
@@ -147,122 +124,141 @@ static int kovaplus_set_actual_profile(struct usb_device *usb_dev,
&buf, sizeof(struct kovaplus_actual_profile));
}
-static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
+static ssize_t kovaplus_sysfs_read(struct file *fp, struct kobject *kobj,
+ char *buf, loff_t off, size_t count,
+ size_t real_size, uint command)
{
struct device *dev =
container_of(kobj, struct device, kobj)->parent->parent;
struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
+ struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+ int retval;
- if (off >= sizeof(struct kovaplus_profile_settings))
+ if (off >= real_size)
return 0;
- if (off + count > sizeof(struct kovaplus_profile_settings))
- count = sizeof(struct kovaplus_profile_settings) - off;
+ if (off != 0 || count != real_size)
+ return -EINVAL;
mutex_lock(&kovaplus->kovaplus_lock);
- memcpy(buf, ((char const *)&kovaplus->profile_settings[*(uint *)(attr->private)]) + off,
- count);
+ retval = roccat_common2_receive(usb_dev, command, buf, real_size);
mutex_unlock(&kovaplus->kovaplus_lock);
- return count;
+ if (retval)
+ return retval;
+
+ return real_size;
}
-static ssize_t kovaplus_sysfs_write_profile_settings(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
+static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj,
+ void const *buf, loff_t off, size_t count,
+ size_t real_size, uint command)
{
struct device *dev =
container_of(kobj, struct device, kobj)->parent->parent;
struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
- int retval = 0;
- int difference;
- int profile_index;
- struct kovaplus_profile_settings *profile_settings;
+ int retval;
- if (off != 0 || count != sizeof(struct kovaplus_profile_settings))
+ if (off != 0 || count != real_size)
return -EINVAL;
- profile_index = ((struct kovaplus_profile_settings const *)buf)->profile_index;
- profile_settings = &kovaplus->profile_settings[profile_index];
-
mutex_lock(&kovaplus->kovaplus_lock);
- difference = memcmp(buf, profile_settings,
- sizeof(struct kovaplus_profile_settings));
- if (difference) {
- retval = kovaplus_set_profile_settings(usb_dev,
- (struct kovaplus_profile_settings const *)buf);
- if (!retval)
- memcpy(profile_settings, buf,
- sizeof(struct kovaplus_profile_settings));
- }
+ retval = roccat_common2_send_with_status(usb_dev, command,
+ buf, real_size);
mutex_unlock(&kovaplus->kovaplus_lock);
if (retval)
return retval;
- return sizeof(struct kovaplus_profile_settings);
+ return real_size;
}
-static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- struct device *dev =
- container_of(kobj, struct device, kobj)->parent->parent;
- struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
+#define KOVAPLUS_SYSFS_W(thingy, THINGY) \
+static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \
+ struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+ loff_t off, size_t count) \
+{ \
+ return kovaplus_sysfs_write(fp, kobj, buf, off, count, \
+ KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
+}
- if (off >= sizeof(struct kovaplus_profile_buttons))
- return 0;
+#define KOVAPLUS_SYSFS_R(thingy, THINGY) \
+static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \
+ struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+ loff_t off, size_t count) \
+{ \
+ return kovaplus_sysfs_read(fp, kobj, buf, off, count, \
+ KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
+}
- if (off + count > sizeof(struct kovaplus_profile_buttons))
- count = sizeof(struct kovaplus_profile_buttons) - off;
+#define KOVAPLUS_SYSFS_RW(thingy, THINGY) \
+KOVAPLUS_SYSFS_W(thingy, THINGY) \
+KOVAPLUS_SYSFS_R(thingy, THINGY)
- mutex_lock(&kovaplus->kovaplus_lock);
- memcpy(buf, ((char const *)&kovaplus->profile_buttons[*(uint *)(attr->private)]) + off,
- count);
- mutex_unlock(&kovaplus->kovaplus_lock);
+#define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
+{ \
+ .attr = { .name = #thingy, .mode = 0660 }, \
+ .size = KOVAPLUS_SIZE_ ## THINGY, \
+ .read = kovaplus_sysfs_read_ ## thingy, \
+ .write = kovaplus_sysfs_write_ ## thingy \
+}
+
+#define KOVAPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \
+{ \
+ .attr = { .name = #thingy, .mode = 0440 }, \
+ .size = KOVAPLUS_SIZE_ ## THINGY, \
+ .read = kovaplus_sysfs_read_ ## thingy, \
+}
- return count;
+#define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
+{ \
+ .attr = { .name = #thingy, .mode = 0220 }, \
+ .size = KOVAPLUS_SIZE_ ## THINGY, \
+ .write = kovaplus_sysfs_write_ ## thingy \
}
-static ssize_t kovaplus_sysfs_write_profile_buttons(struct file *fp,
+KOVAPLUS_SYSFS_W(control, CONTROL)
+KOVAPLUS_SYSFS_RW(info, INFO)
+KOVAPLUS_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
+KOVAPLUS_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
+
+static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
struct kobject *kobj, struct bin_attribute *attr, char *buf,
loff_t off, size_t count)
{
struct device *dev =
container_of(kobj, struct device, kobj)->parent->parent;
- struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
- int retval = 0;
- int difference;
- uint profile_index;
- struct kovaplus_profile_buttons *profile_buttons;
+ ssize_t retval;
- if (off != 0 || count != sizeof(struct kovaplus_profile_buttons))
- return -EINVAL;
+ retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
+ KOVAPLUS_CONTROL_REQUEST_PROFILE_SETTINGS);
+ if (retval)
+ return retval;
- profile_index = ((struct kovaplus_profile_buttons const *)buf)->profile_index;
- profile_buttons = &kovaplus->profile_buttons[profile_index];
+ return kovaplus_sysfs_read(fp, kobj, buf, off, count,
+ KOVAPLUS_SIZE_PROFILE_SETTINGS,
+ KOVAPLUS_COMMAND_PROFILE_SETTINGS);
+}
- mutex_lock(&kovaplus->kovaplus_lock);
- difference = memcmp(buf, profile_buttons,
- sizeof(struct kovaplus_profile_buttons));
- if (difference) {
- retval = kovaplus_set_profile_buttons(usb_dev,
- (struct kovaplus_profile_buttons const *)buf);
- if (!retval)
- memcpy(profile_buttons, buf,
- sizeof(struct kovaplus_profile_buttons));
- }
- mutex_unlock(&kovaplus->kovaplus_lock);
+static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
+ struct kobject *kobj, struct bin_attribute *attr, char *buf,
+ loff_t off, size_t count)
+{
+ struct device *dev =
+ container_of(kobj, struct device, kobj)->parent->parent;
+ struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+ ssize_t retval;
+ retval = kovaplus_select_profile(usb_dev, *(uint *)(attr->private),
+ KOVAPLUS_CONTROL_REQUEST_PROFILE_BUTTONS);
if (retval)
return retval;
- return sizeof(struct kovaplus_profile_buttons);
+ return kovaplus_sysfs_read(fp, kobj, buf, off, count,
+ KOVAPLUS_SIZE_PROFILE_BUTTONS,
+ KOVAPLUS_COMMAND_PROFILE_BUTTONS);
}
static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
@@ -342,9 +338,20 @@ static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev,
static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct kovaplus_device *kovaplus =
- hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->info.firmware_version);
+ struct kovaplus_device *kovaplus;
+ struct usb_device *usb_dev;
+ struct kovaplus_info info;
+
+ dev = dev->parent->parent;
+ kovaplus = hid_get_drvdata(dev_get_drvdata(dev));
+ usb_dev = interface_to_usbdev(to_usb_interface(dev));
+
+ mutex_lock(&kovaplus->kovaplus_lock);
+ roccat_common2_receive(usb_dev, KOVAPLUS_COMMAND_INFO,
+ &info, KOVAPLUS_SIZE_INFO);
+ mutex_unlock(&kovaplus->kovaplus_lock);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
}
static struct device_attribute kovaplus_attributes[] = {
@@ -363,73 +370,67 @@ static struct device_attribute kovaplus_attributes[] = {
};
static struct bin_attribute kovaplus_bin_attributes[] = {
- {
- .attr = { .name = "profile_settings", .mode = 0220 },
- .size = sizeof(struct kovaplus_profile_settings),
- .write = kovaplus_sysfs_write_profile_settings
- },
+ KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL),
+ KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO),
+ KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
+ KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
{
.attr = { .name = "profile1_settings", .mode = 0440 },
- .size = sizeof(struct kovaplus_profile_settings),
+ .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
.read = kovaplus_sysfs_read_profilex_settings,
.private = &profile_numbers[0]
},
{
.attr = { .name = "profile2_settings", .mode = 0440 },
- .size = sizeof(struct kovaplus_profile_settings),
+ .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
.read = kovaplus_sysfs_read_profilex_settings,
.private = &profile_numbers[1]
},
{
.attr = { .name = "profile3_settings", .mode = 0440 },
- .size = sizeof(struct kovaplus_profile_settings),
+ .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
.read = kovaplus_sysfs_read_profilex_settings,
.private = &profile_numbers[2]
},
{
.attr = { .name = "profile4_settings", .mode = 0440 },
- .size = sizeof(struct kovaplus_profile_settings),
+ .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
.read = kovaplus_sysfs_read_profilex_settings,
.private = &profile_numbers[3]
},
{
.attr = { .name = "profile5_settings", .mode = 0440 },
- .size = sizeof(struct kovaplus_profile_settings),
+ .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
.read = kovaplus_sysfs_read_profilex_settings,
.private = &profile_numbers[4]
},
{
- .attr = { .name = "profile_buttons", .mode = 0220 },
- .size = sizeof(struct kovaplus_profile_buttons),
- .write = kovaplus_sysfs_write_profile_buttons
- },
- {
.attr = { .name = "profile1_buttons", .mode = 0440 },
- .size = sizeof(struct kovaplus_profile_buttons),
+ .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
.read = kovaplus_sysfs_read_profilex_buttons,
.private = &profile_numbers[0]
},
{
.attr = { .name = "profile2_buttons", .mode = 0440 },
- .size = sizeof(struct kovaplus_profile_buttons),
+ .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
.read = kovaplus_sysfs_read_profilex_buttons,
.private = &profile_numbers[1]
},
{
.attr = { .name = "profile3_buttons", .mode = 0440 },
- .size = sizeof(struct kovaplus_profile_buttons),
+ .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
.read = kovaplus_sysfs_read_profilex_buttons,
.private = &profile_numbers[2]
},
{
.attr = { .name = "profile4_buttons", .mode = 0440 },
- .size = sizeof(struct kovaplus_profile_buttons),
+ .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
.read = kovaplus_sysfs_read_profilex_buttons,
.private = &profile_numbers[3]
},
{
.attr = { .name = "profile5_buttons", .mode = 0440 },
- .size = sizeof(struct kovaplus_profile_buttons),
+ .size = KOVAPLUS_SIZE_PROFILE_BUTTONS,
.read = kovaplus_sysfs_read_profilex_buttons,
.private = &profile_numbers[4]
},
@@ -444,10 +445,6 @@ static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev,
mutex_init(&kovaplus->kovaplus_lock);
- retval = kovaplus_get_info(usb_dev, &kovaplus->info);
- if (retval)
- return retval;
-
for (i = 0; i < 5; ++i) {
msleep(wait);
retval = kovaplus_get_profile_settings(usb_dev,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.