1 /*	$NetBSD: nouveau_core_client.c,v 1.1.1.1 2014/08/06 12:36:23 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2012 Red Hat Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Ben Skeggs
25  */
26 
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: nouveau_core_client.c,v 1.1.1.1 2014/08/06 12:36:23 riastradh Exp $");
29 
30 #include <core/object.h>
31 #include <core/client.h>
32 #include <core/handle.h>
33 #include <core/option.h>
34 
35 #include <engine/device.h>
36 
37 static void
nouveau_client_dtor(struct nouveau_object * object)38 nouveau_client_dtor(struct nouveau_object *object)
39 {
40 	struct nouveau_client *client = (void *)object;
41 	nouveau_object_ref(NULL, &client->device);
42 	nouveau_handle_destroy(client->root);
43 	nouveau_namedb_destroy(&client->base);
44 }
45 
46 static struct nouveau_oclass
47 nouveau_client_oclass = {
48 	.ofuncs = &(struct nouveau_ofuncs) {
49 		.dtor = nouveau_client_dtor,
50 	},
51 };
52 
53 int
nouveau_client_create_(const char * name,u64 devname,const char * cfg,const char * dbg,int length,void ** pobject)54 nouveau_client_create_(const char *name, u64 devname, const char *cfg,
55 		       const char *dbg, int length, void **pobject)
56 {
57 	struct nouveau_object *device;
58 	struct nouveau_client *client;
59 	int ret;
60 
61 	device = (void *)nouveau_device_find(devname);
62 	if (!device)
63 		return -ENODEV;
64 
65 	ret = nouveau_namedb_create_(NULL, NULL, &nouveau_client_oclass,
66 				     NV_CLIENT_CLASS, NULL,
67 				     (1ULL << NVDEV_ENGINE_DEVICE),
68 				     length, pobject);
69 	client = *pobject;
70 	if (ret)
71 		return ret;
72 
73 	ret = nouveau_handle_create(nv_object(client), ~0, ~0,
74 				    nv_object(client), &client->root);
75 	if (ret)
76 		return ret;
77 
78 	/* prevent init/fini being called, os in in charge of this */
79 	atomic_set(&nv_object(client)->usecount, 2);
80 
81 	nouveau_object_ref(device, &client->device);
82 	snprintf(client->name, sizeof(client->name), "%s", name);
83 	client->debug = nouveau_dbgopt(dbg, "CLIENT");
84 	return 0;
85 }
86 
87 int
nouveau_client_init(struct nouveau_client * client)88 nouveau_client_init(struct nouveau_client *client)
89 {
90 	int ret;
91 	nv_debug(client, "init running\n");
92 	ret = nouveau_handle_init(client->root);
93 	nv_debug(client, "init completed with %d\n", ret);
94 	return ret;
95 }
96 
97 int
nouveau_client_fini(struct nouveau_client * client,bool suspend)98 nouveau_client_fini(struct nouveau_client *client, bool suspend)
99 {
100 	const char *name[2] = { "fini", "suspend" };
101 	int ret;
102 
103 	nv_debug(client, "%s running\n", name[suspend]);
104 	ret = nouveau_handle_fini(client->root, suspend);
105 	nv_debug(client, "%s completed with %d\n", name[suspend], ret);
106 	return ret;
107 }
108 
109 const char *
nouveau_client_name(void * obj)110 nouveau_client_name(void *obj)
111 {
112 	const char *client_name = "unknown";
113 	struct nouveau_client *client = nouveau_client(obj);
114 	if (client)
115 		client_name = client->name;
116 	return client_name;
117 }
118