2 * Copyright 2014 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
22 * Authors: Ben Skeggs <bskeggs@redhat.com>
25 /*******************************************************************************
26 * NVIF client driver - NVKM directly linked
27 ******************************************************************************/
29 #include <core/client.h>
30 #include <core/notify.h>
31 #include <core/ioctl.h>
33 #include <nvif/client.h>
34 #include <nvif/driver.h>
35 #include <nvif/notify.h>
36 #include <nvif/event.h>
37 #include <nvif/ioctl.h>
39 #include "nouveau_drm.h"
40 #include "nouveau_usif.h"
43 nvkm_client_unmap(void *priv, void *ptr, u32 size)
49 nvkm_client_map(void *priv, u64 handle, u32 size)
51 return ioremap(handle, size);
55 nvkm_client_ioctl(void *priv, bool super, void *data, u32 size, void **hack)
57 return nvkm_ioctl(priv, super, data, size, hack);
61 nvkm_client_resume(void *priv)
63 return nouveau_client_init(priv);
67 nvkm_client_suspend(void *priv)
69 return nouveau_client_fini(priv, true);
73 nvkm_client_fini(void *priv)
75 struct nouveau_object *client = priv;
76 nouveau_client_fini(nv_client(client), false);
77 atomic_set(&client->refcount, 1);
78 nouveau_object_ref(NULL, &client);
82 nvkm_client_ntfy(const void *header, u32 length, const void *data, u32 size)
85 struct nvif_notify_req_v0 v0;
89 if (length == sizeof(args->v0) && args->v0.version == 0) {
90 route = args->v0.route;
93 return NVKM_NOTIFY_DROP;
97 case NVDRM_NOTIFY_NVIF:
98 return nvif_notify(header, length, data, size);
99 case NVDRM_NOTIFY_USIF:
100 return usif_notify(header, length, data, size);
106 return NVKM_NOTIFY_DROP;
110 nvkm_client_init(const char *name, u64 device, const char *cfg,
111 const char *dbg, void **ppriv)
113 struct nouveau_client *client;
116 ret = nouveau_client_create(name, device, cfg, dbg, &client);
121 client->ntfy = nvkm_client_ntfy;
125 const struct nvif_driver
128 .init = nvkm_client_init,
129 .fini = nvkm_client_fini,
130 .suspend = nvkm_client_suspend,
131 .resume = nvkm_client_resume,
132 .ioctl = nvkm_client_ioctl,
133 .map = nvkm_client_map,
134 .unmap = nvkm_client_unmap,