2 * Copyright 2007 Nouveau Project
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 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 #include "nouveau_drmif.h"
30 nouveau_device_open_existing(struct nouveau_device
**userdev
, int close
,
31 int fd
, drm_context_t ctx
)
33 struct nouveau_device_priv
*nv
;
36 if (!userdev
|| *userdev
)
39 nv
= calloc(1, sizeof(*nv
));
44 nv
->needs_close
= close
;
46 drmCommandNone(nv
->fd
, DRM_NOUVEAU_CARD_INIT
);
48 if ((ret
= nouveau_bo_init(&nv
->base
))) {
49 nouveau_device_close((void *)&nv
);
58 nouveau_device_open(struct nouveau_device
**userdev
, const char *busid
)
63 if (!userdev
|| *userdev
)
66 fd
= drmOpen("nouveau", busid
);
70 ret
= drmCreateContext(fd
, &ctx
);
76 ret
= nouveau_device_open_existing(userdev
, 1, fd
, ctx
);
78 drmDestroyContext(fd
, ctx
);
87 nouveau_device_close(struct nouveau_device
**userdev
)
89 struct nouveau_device_priv
*nv
;
91 if (userdev
|| !*userdev
)
93 nv
= (struct nouveau_device_priv
*)*userdev
;
96 nouveau_bo_takedown(&nv
->base
);
98 if (nv
->needs_close
) {
99 drmDestroyContext(nv
->fd
, nv
->ctx
);
106 nouveau_device_get_param(struct nouveau_device
*userdev
,
107 uint64_t param
, uint64_t *value
)
109 struct nouveau_device_priv
*nv
= (struct nouveau_device_priv
*)userdev
;
110 struct drm_nouveau_getparam g
;
117 ret
= drmCommandWriteRead(nv
->fd
, DRM_NOUVEAU_GETPARAM
, &g
, sizeof(g
));
126 nouveau_device_set_param(struct nouveau_device
*userdev
,
127 uint64_t param
, uint64_t value
)
129 struct nouveau_device_priv
*nv
= (struct nouveau_device_priv
*)userdev
;
130 struct drm_nouveau_setparam s
;
138 ret
= drmCommandWriteRead(nv
->fd
, DRM_NOUVEAU_SETPARAM
, &s
, sizeof(s
));