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Diffstat (limited to 'linux-core/drm_sysfs.c')
-rw-r--r--linux-core/drm_sysfs.c351
1 files changed, 14 insertions, 337 deletions
diff --git a/linux-core/drm_sysfs.c b/linux-core/drm_sysfs.c
index f5366e8c..6de93679 100644
--- a/linux-core/drm_sysfs.c
+++ b/linux-core/drm_sysfs.c
@@ -36,9 +36,8 @@ static int drm_sysfs_suspend(struct device *dev, pm_message_t state)
printk(KERN_ERR "%s\n", __FUNCTION__);
- if (drm_minor->type == DRM_MINOR_CONTROL)
- if (drm_dev->driver->suspend)
- return drm_dev->driver->suspend(drm_dev, state);
+ if (drm_dev->driver->suspend)
+ return drm_dev->driver->suspend(drm_dev, state);
return 0;
}
@@ -55,9 +54,8 @@ static int drm_sysfs_resume(struct device *dev)
struct drm_minor *drm_minor = to_drm_minor(dev);
struct drm_device *drm_dev = drm_minor->dev;
- if (drm_minor->type == DRM_MINOR_CONTROL)
- if (drm_dev->driver->resume)
- return drm_dev->driver->resume(drm_dev);
+ if (drm_dev->driver->resume)
+ return drm_dev->driver->resume(drm_dev);
return 0;
}
@@ -133,6 +131,10 @@ static ssize_t show_dri(struct device *device, struct device_attribute *attr,
return snprintf(buf, PAGE_SIZE, "%s\n", drm_dev->driver->pci_driver.name);
}
+static struct device_attribute device_attrs[] = {
+ __ATTR(dri_library_name, S_IRUGO, show_dri, NULL),
+};
+
/**
* drm_sysfs_device_release - do nothing
* @dev: Linux device
@@ -146,316 +148,6 @@ static void drm_sysfs_device_release(struct device *dev)
return;
}
-/*
- * Connector properties
- */
-static ssize_t status_show(struct device *device,
- struct device_attribute *attr,
- char *buf)
-{
- struct drm_connector *connector = container_of(device, struct drm_connector, kdev);
- return snprintf(buf, PAGE_SIZE, "%s",
- drm_get_connector_status_name(connector->funcs->detect(connector)));
-}
-
-static ssize_t dpms_show(struct device *device,
- struct device_attribute *attr,
- char *buf)
-{
- struct drm_connector *connector = container_of(device, struct drm_connector, kdev);
- struct drm_device *dev = connector->dev;
- uint64_t dpms_status;
- int ret;
-
- ret = drm_connector_property_get_value(connector,
- dev->mode_config.dpms_property,
- &dpms_status);
- if (ret)
- return 0;
-
- return snprintf(buf, PAGE_SIZE, "%s", drm_get_dpms_name((int)dpms_status));
-}
-
-static ssize_t enabled_show(struct device *device,
- struct device_attribute *attr,
- char *buf)
-{
- struct drm_connector *connector = container_of(device, struct drm_connector, kdev);
-
- if (connector->encoder)
- return snprintf(buf, PAGE_SIZE, "enabled");
- else
- return snprintf(buf, PAGE_SIZE, "disabled");
-}
-
-static ssize_t edid_show(struct kobject *kobj, struct bin_attribute *attr,
- char *buf, loff_t off, size_t count)
-{
- struct device *connector_dev = container_of(kobj, struct device, kobj);
- struct drm_connector *connector = container_of(connector_dev, struct drm_connector,
- kdev);
- unsigned char *edid;
- size_t size;
-
- if (!connector->edid_blob_ptr)
- return 0;
-
- edid = connector->edid_blob_ptr->data;
- size = connector->edid_blob_ptr->length;
- if (!edid)
- return 0;
-
- if (off >= size)
- return 0;
-
- if (off + count > size)
- count = size - off;
- memcpy(buf, edid + off, count);
-
- return count;
-}
-
-static ssize_t modes_show(struct device *device,
- struct device_attribute *attr,
- char *buf)
-{
- struct drm_connector *connector = container_of(device, struct drm_connector, kdev);
- struct drm_display_mode *mode;
- int written = 0;
-
- list_for_each_entry(mode, &connector->modes, head) {
- written += snprintf(buf + written, PAGE_SIZE - written, "%s\n",
- mode->name);
- }
-
- return written;
-}
-
-static ssize_t subconnector_show(struct device *device,
- struct device_attribute *attr,
- char *buf)
-{
- struct drm_connector *connector = container_of(device, struct drm_connector, kdev);
- struct drm_device *dev = connector->dev;
- struct drm_property *prop = NULL;
- uint64_t subconnector;
- int ret;
-
- switch (connector->connector_type) {
- case DRM_MODE_CONNECTOR_DVII:
- prop = dev->mode_config.dvi_i_subconnector_property;
- break;
- case DRM_MODE_CONNECTOR_Composite:
- case DRM_MODE_CONNECTOR_SVIDEO:
- case DRM_MODE_CONNECTOR_Component:
- prop = dev->mode_config.tv_subconnector_property;
- break;
- default:
- DRM_ERROR("Wrong connector type for this property\n");
- return 0;
- }
-
- if (!prop) {
- DRM_ERROR("Unable to find subconnector property\n");
- return 0;
- }
-
- ret = drm_connector_property_get_value(connector, prop, &subconnector);
- if (ret)
- return 0;
-
- return snprintf(buf, PAGE_SIZE, "%s", drm_get_subconnector_name((int)subconnector));
-}
-
-static ssize_t select_subconnector_show(struct device *device,
- struct device_attribute *attr,
- char *buf)
-{
- struct drm_connector *connector = container_of(device, struct drm_connector, kdev);
- struct drm_device *dev = connector->dev;
- struct drm_property *prop = NULL;
- uint64_t subconnector;
- int ret;
-
- switch (connector->connector_type) {
- case DRM_MODE_CONNECTOR_DVII:
- prop = dev->mode_config.dvi_i_select_subconnector_property;
- break;
- case DRM_MODE_CONNECTOR_Composite:
- case DRM_MODE_CONNECTOR_SVIDEO:
- case DRM_MODE_CONNECTOR_Component:
- prop = dev->mode_config.tv_select_subconnector_property;
- break;
- default:
- DRM_ERROR("Wrong connector type for this property\n");
- return 0;
- }
-
- if (!prop) {
- DRM_ERROR("Unable to find select subconnector property\n");
- return 0;
- }
-
- ret = drm_connector_property_get_value(connector, prop, &subconnector);
- if (ret)
- return 0;
-
- return snprintf(buf, PAGE_SIZE, "%s", drm_get_select_subconnector_name((int)subconnector));
-}
-
-static struct device_attribute connector_attrs[] = {
- __ATTR_RO(status),
- __ATTR_RO(enabled),
- __ATTR_RO(dpms),
- __ATTR_RO(modes),
-};
-
-/* These attributes are for both DVI-I connectors and all types of tv-out. */
-static struct device_attribute connector_attrs_opt1[] = {
- __ATTR_RO(subconnector),
- __ATTR_RO(select_subconnector),
-};
-
-static struct bin_attribute edid_attr = {
- .attr.name = "edid",
- .size = 128,
- .read = edid_show,
-};
-
-/**
- * drm_sysfs_connector_add - add an connector to sysfs
- * @connector: connector to add
- *
- * Create an connector device in sysfs, along with its associated connector
- * properties (so far, connection status, dpms, mode list & edid) and
- * generate a hotplug event so userspace knows there's a new connector
- * available.
- *
- * Note:
- * This routine should only be called *once* for each DRM minor registered.
- * A second call for an already registered device will trigger the BUG_ON
- * below.
- */
-int drm_sysfs_connector_add(struct drm_connector *connector)
-{
- struct drm_device *dev = connector->dev;
- int ret = 0, i, j;
-
- /* We shouldn't get called more than once for the same connector */
- BUG_ON(device_is_registered(&connector->kdev));
-
- connector->kdev.parent = &dev->primary->kdev;
- connector->kdev.class = drm_class;
- connector->kdev.release = drm_sysfs_device_release;
-
- DRM_DEBUG("adding \"%s\" to sysfs\n",
- drm_get_connector_name(connector));
-
- snprintf(connector->kdev.bus_id, BUS_ID_SIZE, "card%d-%s",
- dev->primary->index, drm_get_connector_name(connector));
- ret = device_register(&connector->kdev);
-
- if (ret) {
- DRM_ERROR("failed to register connector device: %d\n", ret);
- goto out;
- }
-
- /* Standard attributes */
-
- for (i = 0; i < ARRAY_SIZE(connector_attrs); i++) {
- ret = device_create_file(&connector->kdev, &connector_attrs[i]);
- if (ret)
- goto err_out_files;
- }
-
- /* Optional attributes */
- /* On the long run it maybe a good idea to make one set of optionals per connector type. */
-
- switch (connector->connector_type) {
- case DRM_MODE_CONNECTOR_DVII:
- case DRM_MODE_CONNECTOR_Composite:
- case DRM_MODE_CONNECTOR_SVIDEO:
- case DRM_MODE_CONNECTOR_Component:
- for (i = 0; i < ARRAY_SIZE(connector_attrs_opt1); i++) {
- ret = device_create_file(&connector->kdev, &connector_attrs_opt1[i]);
- if (ret)
- goto err_out_files;
- }
- break;
- default:
- break;
- }
-
- ret = sysfs_create_bin_file(&connector->kdev.kobj, &edid_attr);
- if (ret)
- goto err_out_files;
-
- /* Let userspace know we have a new connector */
- drm_sysfs_hotplug_event(dev);
-
- return 0;
-
-err_out_files:
- if (i > 0)
- for (j = 0; j < i; j++)
- device_remove_file(&connector->kdev, &connector_attrs[i]);
- device_unregister(&connector->kdev);
-
-out:
- return ret;
-}
-EXPORT_SYMBOL(drm_sysfs_connector_add);
-
-/**
- * drm_sysfs_connector_remove - remove an connector device from sysfs
- * @connector: connector to remove
- *
- * Remove @connector and its associated attributes from sysfs. Note that
- * the device model core will take care of sending the "remove" uevent
- * at this time, so we don't need to do it.
- *
- * Note:
- * This routine should only be called if the connector was previously
- * successfully registered. If @connector hasn't been registered yet,
- * you'll likely see a panic somewhere deep in sysfs code when called.
- */
-void drm_sysfs_connector_remove(struct drm_connector *connector)
-{
- int i;
-
- DRM_DEBUG("removing \"%s\" from sysfs\n",
- drm_get_connector_name(connector));
-
- for (i = 0; i < ARRAY_SIZE(connector_attrs); i++)
- device_remove_file(&connector->kdev, &connector_attrs[i]);
- sysfs_remove_bin_file(&connector->kdev.kobj, &edid_attr);
- device_unregister(&connector->kdev);
-}
-EXPORT_SYMBOL(drm_sysfs_connector_remove);
-
-/**
- * drm_sysfs_hotplug_event - generate a DRM uevent
- * @dev: DRM device
- *
- * Send a uevent for the DRM device specified by @dev. Currently we only
- * set HOTPLUG=1 in the uevent environment, but this could be expanded to
- * deal with other types of events.
- */
-void drm_sysfs_hotplug_event(struct drm_device *dev)
-{
- char *event_string = "HOTPLUG=1";
- char *envp[] = { event_string, NULL };
-
- DRM_DEBUG("generating hotplug event\n");
-
- kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, envp);
-}
-EXPORT_SYMBOL(drm_sysfs_hotplug_event);
-
-static struct device_attribute dri_attrs[] = {
- __ATTR(dri_library_name, S_IRUGO, show_dri, NULL),
-};
-
/**
* drm_sysfs_device_add - adds a class device to sysfs for a character driver
* @dev: DRM device to be added
@@ -464,11 +156,6 @@ static struct device_attribute dri_attrs[] = {
* Add a DRM device to the DRM's device model class. We use @dev's PCI device
* as the parent for the Linux device, and make sure it has a file containing
* the driver we're using (for userspace compatibility).
- *
- * Note:
- * This routine should only be called *once* for each DRM minor registered.
- * A second call for an already registered device will trigger the BUG_ON
- * below.
*/
int drm_sysfs_device_add(struct drm_minor *minor)
{
@@ -480,28 +167,18 @@ int drm_sysfs_device_add(struct drm_minor *minor)
minor->kdev.class = drm_class;
minor->kdev.release = drm_sysfs_device_release;
minor->kdev.devt = minor->device;
- if (minor->type == DRM_MINOR_CONTROL)
- minor_str = "controlD%d";
- else if (minor->type == DRM_MINOR_RENDER)
- minor_str = "renderD%d";
- else
- minor_str = "card%d";
+ minor_str = "card%d";
snprintf(minor->kdev.bus_id, BUS_ID_SIZE, minor_str, minor->index);
- /* Shouldn't register more than once */
- BUG_ON(device_is_registered(&minor->kdev));
-
- DRM_DEBUG("registering DRM device \"%s\"\n", minor->kdev.bus_id);
-
err = device_register(&minor->kdev);
if (err) {
DRM_ERROR("device add failed: %d\n", err);
goto err_out;
}
- for (i = 0; i < ARRAY_SIZE(dri_attrs); i++) {
- err = device_create_file(&minor->kdev, &dri_attrs[i]);
+ for (i = 0; i < ARRAY_SIZE(device_attrs); i++) {
+ err = device_create_file(&minor->kdev, &device_attrs[i]);
if (err)
goto err_out_files;
}
@@ -511,7 +188,7 @@ int drm_sysfs_device_add(struct drm_minor *minor)
err_out_files:
if (i > 0)
for (j = 0; j < i; j++)
- device_remove_file(&minor->kdev, &dri_attrs[j]);
+ device_remove_file(&minor->kdev, &device_attrs[j]);
device_unregister(&minor->kdev);
err_out:
@@ -529,7 +206,7 @@ void drm_sysfs_device_remove(struct drm_minor *minor)
{
int i;
- for (i = 0; i < ARRAY_SIZE(dri_attrs); i++)
- device_remove_file(&minor->kdev, &dri_attrs[i]);
+ for (i = 0; i < ARRAY_SIZE(device_attrs); i++)
+ device_remove_file(&minor->kdev, &device_attrs[i]);
device_unregister(&minor->kdev);
}