From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/gpu/drm/nouveau/nvif/client.c | 130 ++++++++++++++++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvif/client.c (limited to 'drivers/gpu/drm/nouveau/nvif/client.c') diff --git a/drivers/gpu/drm/nouveau/nvif/client.c b/drivers/gpu/drm/nouveau/nvif/client.c new file mode 100644 index 000000000..80b968442 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvif/client.c @@ -0,0 +1,130 @@ +/* + * 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 + */ + +#include +#include +#include + +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, + &nvif_driver_null, +#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); +} -- cgit v1.2.3-54-g00ecf