1 files changed, 129 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvif/client.c b/drivers/gpu/drm/nouveau/nvif/client.c
new file mode 100644
index 000000000000..3c4df1fc26dc
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvif/client.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright 2013 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs <bskeggs@redhat.com>
+ */
+
+#include "client.h"
+#include "driver.h"
+#include "ioctl.h"
+
+int
+nvif_client_ioctl(struct nvif_client *client, void *data, u32 size)
+{
+        return client->driver->ioctl(client->base.priv, client->super, data, size, NULL);
+}
+
+int
+nvif_client_suspend(struct nvif_client *client)
+{
+        return client->driver->suspend(client->base.priv);
+}
+
+int
+nvif_client_resume(struct nvif_client *client)
+{
+        return client->driver->resume(client->base.priv);
+}
+
+void
+nvif_client_fini(struct nvif_client *client)
+{
+        if (client->driver) {
+                client->driver->fini(client->base.priv);
+                client->driver = NULL;
+                client->base.parent = NULL;
+                nvif_object_fini(&client->base);
+        }
+}
+
+const struct nvif_driver *
+nvif_drivers[] = {
+#ifdef __KERNEL__
+        &nvif_driver_nvkm,
+#else
+        &nvif_driver_drm,
+        &nvif_driver_lib,
+#endif
+        NULL
+};
+
+int
+nvif_client_init(void (*dtor)(struct nvif_client *), const char *driver,
+                 const char *name, u64 device, const char *cfg, const char *dbg,
+                 struct nvif_client *client)
+{
+        int ret, i;
+
+        ret = nvif_object_init(NULL, (void*)dtor, 0, 0, NULL, 0, &client->base);
+        if (ret)
+                return ret;
+
+        client->base.parent = &client->base;
+        client->base.handle = ~0;
+        client->object = &client->base;
+        client->super = true;
+
+        for (i = 0, ret = -EINVAL; (client->driver = nvif_drivers[i]); i++) {
+                if (!driver || !strcmp(client->driver->name, driver)) {
+                        ret = client->driver->init(name, device, cfg, dbg,
+                                                  &client->base.priv);
+                        if (!ret || driver)
+                                break;
+                }
+        }
+
+        if (ret)
+                nvif_client_fini(client);
+        return ret;
+}
+
+static void
+nvif_client_del(struct nvif_client *client)
+{
+        nvif_client_fini(client);
+        kfree(client);
+}
+
+int
+nvif_client_new(const char *driver, const char *name, u64 device,
+                const char *cfg, const char *dbg,
+                struct nvif_client **pclient)
+{
+        struct nvif_client *client = kzalloc(sizeof(*client), GFP_KERNEL);
+        if (client) {
+                int ret = nvif_client_init(nvif_client_del, driver, name,
+                                           device, cfg, dbg, client);
+                if (ret) {
+                        kfree(client);
+                        client = NULL;
+                }
+                *pclient = client;
+                return ret;
+        }
+        return -ENOMEM;
+}
+
+void
+nvif_client_ref(struct nvif_client *client, struct nvif_client **pclient)
+{
+        nvif_object_ref(&client->base, (struct nvif_object **)pclient);
+}