aboutsummaryrefslogtreecommitdiff
path: root/drivers/hid/hid-roccat-pyra.c
diff options
context:
space:
mode:
authorStefan Achatz <stefan_achatz@web.de>2012-11-11 06:20:58 +0100
committerJiri Kosina <jkosina@suse.cz>2012-11-12 15:30:27 +0100
commitbe34380ef818c182860c06f048cbea821203f9b7 (patch)
treecf9283ac8ebe6594103e7cf91dc80accdd0d45f1 /drivers/hid/hid-roccat-pyra.c
parent94a8fcf9a1a816199efc29546040172aa1383be0 (diff)
downloadlinux-be34380ef818c182860c06f048cbea821203f9b7.tar.gz
HID: roccat: cleanup of pyra module
Partially removed unneeded informations and data caching. Moved code nearer to format of newer drivers. Added "info" sysfs attribute to support device reset and deprecate "firmware_version" attribute. Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-roccat-pyra.c')
-rw-r--r--drivers/hid/hid-roccat-pyra.c340
1 files changed, 144 insertions, 196 deletions
diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c
index 1317c177a3e2..76199fa727ed 100644
--- a/drivers/hid/hid-roccat-pyra.c
+++ b/drivers/hid/hid-roccat-pyra.c
@@ -66,48 +66,14 @@ static int pyra_get_profile_settings(struct usb_device *usb_dev,
if (retval)
return retval;
return roccat_common2_receive(usb_dev, PYRA_COMMAND_PROFILE_SETTINGS,
- buf, sizeof(struct pyra_profile_settings));
-}
-
-static int pyra_get_profile_buttons(struct usb_device *usb_dev,
- struct pyra_profile_buttons *buf, int number)
-{
- int retval;
- retval = pyra_send_control(usb_dev, number,
- PYRA_CONTROL_REQUEST_PROFILE_BUTTONS);
- if (retval)
- return retval;
- return roccat_common2_receive(usb_dev, PYRA_COMMAND_PROFILE_BUTTONS,
- buf, sizeof(struct pyra_profile_buttons));
+ buf, PYRA_SIZE_PROFILE_SETTINGS);
}
static int pyra_get_settings(struct usb_device *usb_dev,
struct pyra_settings *buf)
{
return roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS,
- buf, sizeof(struct pyra_settings));
-}
-
-static int pyra_get_info(struct usb_device *usb_dev, struct pyra_info *buf)
-{
- return roccat_common2_receive(usb_dev, PYRA_COMMAND_INFO,
- buf, sizeof(struct pyra_info));
-}
-
-static int pyra_set_profile_settings(struct usb_device *usb_dev,
- struct pyra_profile_settings const *settings)
-{
- return roccat_common2_send_with_status(usb_dev,
- PYRA_COMMAND_PROFILE_SETTINGS, settings,
- sizeof(struct pyra_profile_settings));
-}
-
-static int pyra_set_profile_buttons(struct usb_device *usb_dev,
- struct pyra_profile_buttons const *buttons)
-{
- return roccat_common2_send_with_status(usb_dev,
- PYRA_COMMAND_PROFILE_BUTTONS, buttons,
- sizeof(struct pyra_profile_buttons));
+ buf, PYRA_SIZE_SETTINGS);
}
static int pyra_set_settings(struct usb_device *usb_dev,
@@ -115,146 +81,143 @@ static int pyra_set_settings(struct usb_device *usb_dev,
{
return roccat_common2_send_with_status(usb_dev,
PYRA_COMMAND_SETTINGS, settings,
- sizeof(struct pyra_settings));
+ PYRA_SIZE_SETTINGS);
}
-static ssize_t pyra_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 pyra_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 pyra_device *pyra = 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 pyra_profile_settings))
+ if (off >= real_size)
return 0;
- if (off + count > sizeof(struct pyra_profile_settings))
- count = sizeof(struct pyra_profile_settings) - off;
+ if (off != 0 || count != real_size)
+ return -EINVAL;
mutex_lock(&pyra->pyra_lock);
- memcpy(buf, ((char const *)&pyra->profile_settings[*(uint *)(attr->private)]) + off,
- count);
+ retval = roccat_common2_receive(usb_dev, command, buf, real_size);
mutex_unlock(&pyra->pyra_lock);
- return count;
+ if (retval)
+ return retval;
+
+ return real_size;
}
-static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
+static ssize_t pyra_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 pyra_device *pyra = 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 pyra_profile_buttons))
- return 0;
-
- if (off + count > sizeof(struct pyra_profile_buttons))
- count = sizeof(struct pyra_profile_buttons) - off;
+ if (off != 0 || count != real_size)
+ return -EINVAL;
mutex_lock(&pyra->pyra_lock);
- memcpy(buf, ((char const *)&pyra->profile_buttons[*(uint *)(attr->private)]) + off,
- count);
+ retval = roccat_common2_send_with_status(usb_dev, command, (void *)buf, real_size);
mutex_unlock(&pyra->pyra_lock);
- return count;
+ if (retval)
+ return retval;
+
+ return real_size;
}
-static ssize_t pyra_sysfs_write_profile_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 pyra_device *pyra = 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_number;
- struct pyra_profile_settings *profile_settings;
+#define PYRA_SYSFS_W(thingy, THINGY) \
+static ssize_t pyra_sysfs_write_ ## thingy(struct file *fp, \
+ struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+ loff_t off, size_t count) \
+{ \
+ return pyra_sysfs_write(fp, kobj, buf, off, count, \
+ PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
+}
- if (off != 0 || count != sizeof(struct pyra_profile_settings))
- return -EINVAL;
+#define PYRA_SYSFS_R(thingy, THINGY) \
+static ssize_t pyra_sysfs_read_ ## thingy(struct file *fp, \
+ struct kobject *kobj, struct bin_attribute *attr, char *buf, \
+ loff_t off, size_t count) \
+{ \
+ return pyra_sysfs_read(fp, kobj, buf, off, count, \
+ PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
+}
- profile_number = ((struct pyra_profile_settings const *)buf)->number;
- profile_settings = &pyra->profile_settings[profile_number];
+#define PYRA_SYSFS_RW(thingy, THINGY) \
+PYRA_SYSFS_W(thingy, THINGY) \
+PYRA_SYSFS_R(thingy, THINGY)
- mutex_lock(&pyra->pyra_lock);
- difference = memcmp(buf, profile_settings,
- sizeof(struct pyra_profile_settings));
- if (difference) {
- retval = pyra_set_profile_settings(usb_dev,
- (struct pyra_profile_settings const *)buf);
- if (!retval)
- memcpy(profile_settings, buf,
- sizeof(struct pyra_profile_settings));
- }
- mutex_unlock(&pyra->pyra_lock);
+#define PYRA_BIN_ATTRIBUTE_RW(thingy, THINGY) \
+{ \
+ .attr = { .name = #thingy, .mode = 0660 }, \
+ .size = PYRA_SIZE_ ## THINGY, \
+ .read = pyra_sysfs_read_ ## thingy, \
+ .write = pyra_sysfs_write_ ## thingy \
+}
- if (retval)
- return retval;
+#define PYRA_BIN_ATTRIBUTE_R(thingy, THINGY) \
+{ \
+ .attr = { .name = #thingy, .mode = 0440 }, \
+ .size = PYRA_SIZE_ ## THINGY, \
+ .read = pyra_sysfs_read_ ## thingy, \
+}
- return sizeof(struct pyra_profile_settings);
+#define PYRA_BIN_ATTRIBUTE_W(thingy, THINGY) \
+{ \
+ .attr = { .name = #thingy, .mode = 0220 }, \
+ .size = PYRA_SIZE_ ## THINGY, \
+ .write = pyra_sysfs_write_ ## thingy \
}
-static ssize_t pyra_sysfs_write_profile_buttons(struct file *fp,
+PYRA_SYSFS_RW(info, INFO)
+PYRA_SYSFS_W(profile_settings, PROFILE_SETTINGS)
+PYRA_SYSFS_W(profile_buttons, PROFILE_BUTTONS)
+PYRA_SYSFS_R(settings, SETTINGS)
+
+static ssize_t pyra_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 pyra_device *pyra = 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_number;
- struct pyra_profile_buttons *profile_buttons;
-
- if (off != 0 || count != sizeof(struct pyra_profile_buttons))
- return -EINVAL;
-
- profile_number = ((struct pyra_profile_buttons const *)buf)->number;
- profile_buttons = &pyra->profile_buttons[profile_number];
-
- mutex_lock(&pyra->pyra_lock);
- difference = memcmp(buf, profile_buttons,
- sizeof(struct pyra_profile_buttons));
- if (difference) {
- retval = pyra_set_profile_buttons(usb_dev,
- (struct pyra_profile_buttons const *)buf);
- if (!retval)
- memcpy(profile_buttons, buf,
- sizeof(struct pyra_profile_buttons));
- }
- mutex_unlock(&pyra->pyra_lock);
+ ssize_t retval;
+ retval = pyra_send_control(usb_dev, *(uint *)(attr->private),
+ PYRA_CONTROL_REQUEST_PROFILE_SETTINGS);
if (retval)
return retval;
- return sizeof(struct pyra_profile_buttons);
+ return pyra_sysfs_read(fp, kobj, buf, off, count,
+ PYRA_SIZE_PROFILE_SETTINGS,
+ PYRA_COMMAND_PROFILE_SETTINGS);
}
-static ssize_t pyra_sysfs_read_settings(struct file *fp,
+static ssize_t pyra_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 pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
-
- if (off >= sizeof(struct pyra_settings))
- return 0;
-
- if (off + count > sizeof(struct pyra_settings))
- count = sizeof(struct pyra_settings) - off;
+ struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+ ssize_t retval;
- mutex_lock(&pyra->pyra_lock);
- memcpy(buf, ((char const *)&pyra->settings) + off, count);
- mutex_unlock(&pyra->pyra_lock);
+ retval = pyra_send_control(usb_dev, *(uint *)(attr->private),
+ PYRA_CONTROL_REQUEST_PROFILE_BUTTONS);
+ if (retval)
+ return retval;
- return count;
+ return pyra_sysfs_read(fp, kobj, buf, off, count,
+ PYRA_SIZE_PROFILE_BUTTONS,
+ PYRA_COMMAND_PROFILE_BUTTONS);
}
static ssize_t pyra_sysfs_write_settings(struct file *fp,
@@ -266,35 +229,32 @@ static ssize_t pyra_sysfs_write_settings(struct file *fp,
struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
int retval = 0;
- int difference;
struct pyra_roccat_report roccat_report;
+ struct pyra_settings const *settings;
- if (off != 0 || count != sizeof(struct pyra_settings))
+ if (off != 0 || count != PYRA_SIZE_SETTINGS)
return -EINVAL;
mutex_lock(&pyra->pyra_lock);
- difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings));
- if (difference) {
- retval = pyra_set_settings(usb_dev,
- (struct pyra_settings const *)buf);
- if (retval) {
- mutex_unlock(&pyra->pyra_lock);
- return retval;
- }
-
- memcpy(&pyra->settings, buf,
- sizeof(struct pyra_settings));
- profile_activated(pyra, pyra->settings.startup_profile);
+ settings = (struct pyra_settings const *)buf;
- roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2;
- roccat_report.value = pyra->settings.startup_profile + 1;
- roccat_report.key = 0;
- roccat_report_event(pyra->chrdev_minor,
- (uint8_t const *)&roccat_report);
+ retval = pyra_set_settings(usb_dev, settings);
+ if (retval) {
+ mutex_unlock(&pyra->pyra_lock);
+ return retval;
}
+
+ profile_activated(pyra, settings->startup_profile);
+
+ roccat_report.type = PYRA_MOUSE_EVENT_BUTTON_TYPE_PROFILE_2;
+ roccat_report.value = settings->startup_profile + 1;
+ roccat_report.key = 0;
+ roccat_report_event(pyra->chrdev_minor,
+ (uint8_t const *)&roccat_report);
+
mutex_unlock(&pyra->pyra_lock);
- return sizeof(struct pyra_settings);
+ return PYRA_SIZE_SETTINGS;
}
@@ -311,23 +271,34 @@ static ssize_t pyra_sysfs_show_actual_profile(struct device *dev,
{
struct pyra_device *pyra =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_profile);
+ struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+ struct pyra_settings settings;
+
+ mutex_lock(&pyra->pyra_lock);
+ roccat_common2_receive(usb_dev, PYRA_COMMAND_SETTINGS,
+ &settings, PYRA_SIZE_SETTINGS);
+ mutex_unlock(&pyra->pyra_lock);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", settings.startup_profile);
}
static ssize_t pyra_sysfs_show_firmware_version(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct pyra_device *pyra =
- hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", pyra->firmware_version);
-}
+ struct pyra_device *pyra;
+ struct usb_device *usb_dev;
+ struct pyra_info info;
-static ssize_t pyra_sysfs_show_startup_profile(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct pyra_device *pyra =
- hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", pyra->settings.startup_profile);
+ dev = dev->parent->parent;
+ pyra = hid_get_drvdata(dev_get_drvdata(dev));
+ usb_dev = interface_to_usbdev(to_usb_interface(dev));
+
+ mutex_lock(&pyra->pyra_lock);
+ roccat_common2_receive(usb_dev, PYRA_COMMAND_INFO,
+ &info, PYRA_SIZE_INFO);
+ mutex_unlock(&pyra->pyra_lock);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
}
static struct device_attribute pyra_attributes[] = {
@@ -336,105 +307,87 @@ static struct device_attribute pyra_attributes[] = {
__ATTR(firmware_version, 0440,
pyra_sysfs_show_firmware_version, NULL),
__ATTR(startup_profile, 0440,
- pyra_sysfs_show_startup_profile, NULL),
+ pyra_sysfs_show_actual_profile, NULL),
__ATTR_NULL
};
static struct bin_attribute pyra_bin_attributes[] = {
- {
- .attr = { .name = "profile_settings", .mode = 0220 },
- .size = sizeof(struct pyra_profile_settings),
- .write = pyra_sysfs_write_profile_settings
- },
+ PYRA_BIN_ATTRIBUTE_RW(info, INFO),
+ PYRA_BIN_ATTRIBUTE_W(profile_settings, PROFILE_SETTINGS),
+ PYRA_BIN_ATTRIBUTE_W(profile_buttons, PROFILE_BUTTONS),
+ PYRA_BIN_ATTRIBUTE_RW(settings, SETTINGS),
{
.attr = { .name = "profile1_settings", .mode = 0440 },
- .size = sizeof(struct pyra_profile_settings),
+ .size = PYRA_SIZE_PROFILE_SETTINGS,
.read = pyra_sysfs_read_profilex_settings,
.private = &profile_numbers[0]
},
{
.attr = { .name = "profile2_settings", .mode = 0440 },
- .size = sizeof(struct pyra_profile_settings),
+ .size = PYRA_SIZE_PROFILE_SETTINGS,
.read = pyra_sysfs_read_profilex_settings,
.private = &profile_numbers[1]
},
{
.attr = { .name = "profile3_settings", .mode = 0440 },
- .size = sizeof(struct pyra_profile_settings),
+ .size = PYRA_SIZE_PROFILE_SETTINGS,
.read = pyra_sysfs_read_profilex_settings,
.private = &profile_numbers[2]
},
{
.attr = { .name = "profile4_settings", .mode = 0440 },
- .size = sizeof(struct pyra_profile_settings),
+ .size = PYRA_SIZE_PROFILE_SETTINGS,
.read = pyra_sysfs_read_profilex_settings,
.private = &profile_numbers[3]
},
{
.attr = { .name = "profile5_settings", .mode = 0440 },
- .size = sizeof(struct pyra_profile_settings),
+ .size = PYRA_SIZE_PROFILE_SETTINGS,
.read = pyra_sysfs_read_profilex_settings,
.private = &profile_numbers[4]
},
{
- .attr = { .name = "profile_buttons", .mode = 0220 },
- .size = sizeof(struct pyra_profile_buttons),
- .write = pyra_sysfs_write_profile_buttons
- },
- {
.attr = { .name = "profile1_buttons", .mode = 0440 },
- .size = sizeof(struct pyra_profile_buttons),
+ .size = PYRA_SIZE_PROFILE_BUTTONS,
.read = pyra_sysfs_read_profilex_buttons,
.private = &profile_numbers[0]
},
{
.attr = { .name = "profile2_buttons", .mode = 0440 },
- .size = sizeof(struct pyra_profile_buttons),
+ .size = PYRA_SIZE_PROFILE_BUTTONS,
.read = pyra_sysfs_read_profilex_buttons,
.private = &profile_numbers[1]
},
{
.attr = { .name = "profile3_buttons", .mode = 0440 },
- .size = sizeof(struct pyra_profile_buttons),
+ .size = PYRA_SIZE_PROFILE_BUTTONS,
.read = pyra_sysfs_read_profilex_buttons,
.private = &profile_numbers[2]
},
{
.attr = { .name = "profile4_buttons", .mode = 0440 },
- .size = sizeof(struct pyra_profile_buttons),
+ .size = PYRA_SIZE_PROFILE_BUTTONS,
.read = pyra_sysfs_read_profilex_buttons,
.private = &profile_numbers[3]
},
{
.attr = { .name = "profile5_buttons", .mode = 0440 },
- .size = sizeof(struct pyra_profile_buttons),
+ .size = PYRA_SIZE_PROFILE_BUTTONS,
.read = pyra_sysfs_read_profilex_buttons,
.private = &profile_numbers[4]
},
- {
- .attr = { .name = "settings", .mode = 0660 },
- .size = sizeof(struct pyra_settings),
- .read = pyra_sysfs_read_settings,
- .write = pyra_sysfs_write_settings
- },
__ATTR_NULL
};
static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
struct pyra_device *pyra)
{
- struct pyra_info info;
+ struct pyra_settings settings;
int retval, i;
mutex_init(&pyra->pyra_lock);
- retval = pyra_get_info(usb_dev, &info);
- if (retval)
- return retval;
-
- pyra->firmware_version = info.firmware_version;
-
- retval = pyra_get_settings(usb_dev, &pyra->settings);
+ retval = pyra_get_settings(usb_dev, &settings);
if (retval)
return retval;
@@ -443,14 +396,9 @@ static int pyra_init_pyra_device_struct(struct usb_device *usb_dev,
&pyra->profile_settings[i], i);
if (retval)
return retval;
-
- retval = pyra_get_profile_buttons(usb_dev,
- &pyra->profile_buttons[i], i);
- if (retval)
- return retval;
}
- profile_activated(pyra, pyra->settings.startup_profile);
+ profile_activated(pyra, settings.startup_profile);
return 0;
}