#include "drmP.h"
#define to_drm_minor(d) container_of(d, struct drm_minor, kdev)
+#define to_drm_connector(d) container_of(d, struct drm_connector, kdev)
/**
* drm_sysfs_suspend - DRM class suspend hook
struct drm_minor *drm_minor = to_drm_minor(dev);
struct drm_device *drm_dev = drm_minor->dev;
- if (drm_dev->driver->suspend)
+ if (drm_minor->type == DRM_MINOR_LEGACY && drm_dev->driver->suspend)
return drm_dev->driver->suspend(drm_dev, state);
return 0;
struct drm_minor *drm_minor = to_drm_minor(dev);
struct drm_device *drm_dev = drm_minor->dev;
- if (drm_dev->driver->resume)
+ if (drm_minor->type == DRM_MINOR_LEGACY && drm_dev->driver->resume)
return drm_dev->driver->resume(drm_dev);
return 0;
return;
}
+/*
+ * Connector properties
+ */
+static ssize_t status_show(struct device *device,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct drm_connector *connector = to_drm_connector(device);
+ enum drm_connector_status status;
+
+ status = connector->funcs->detect(connector);
+ return snprintf(buf, PAGE_SIZE, "%s",
+ drm_get_connector_status_name(status));
+}
+
+static ssize_t dpms_show(struct device *device,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct drm_connector *connector = to_drm_connector(device);
+ 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 = to_drm_connector(device);
+
+ return snprintf(buf, PAGE_SIZE, connector->encoder ? "enabled" :
+ "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 = to_drm_connector(connector_dev);
+ 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 = to_drm_connector(device);
+ 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 = to_drm_connector(device);
+ struct drm_device *dev = connector->dev;
+ struct drm_property *prop = NULL;
+ uint64_t subconnector;
+ int is_tv = 0;
+ 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;
+ is_tv = 1;
+ 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", is_tv ?
+ drm_get_tv_subconnector_name((int)subconnector) :
+ drm_get_dvi_i_subconnector_name((int)subconnector));
+}
+
+static ssize_t select_subconnector_show(struct device *device,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct drm_connector *connector = to_drm_connector(device);
+ struct drm_device *dev = connector->dev;
+ struct drm_property *prop = NULL;
+ uint64_t subconnector;
+ int is_tv = 0;
+ 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;
+ is_tv = 1;
+ 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", is_tv ?
+ drm_get_tv_select_name((int)subconnector) :
+ drm_get_dvi_i_select_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 */
+ /*
+ * In 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);
+}
+
/**
* drm_sysfs_device_add - adds a class device to sysfs for a character driver
* @dev: DRM device to be added
minor->kdev.class = drm_class;
minor->kdev.release = drm_sysfs_device_release;
minor->kdev.devt = minor->device;
- minor_str = "card%d";
+ 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";
snprintf(minor->kdev.bus_id, BUS_ID_SIZE, minor_str, minor->index);
git.samba.org / sfrench / cifs-2.6.git / blobdiff