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
**dev
, int close
,
31 int fd
, drm_context_t ctx
)
33 struct nouveau_device_priv
*nvdev
;
39 nvdev
= calloc(1, sizeof(*nvdev
));
44 nvdev
->needs_close
= close
;
46 drmCommandNone(nvdev
->fd
, DRM_NOUVEAU_CARD_INIT
);
48 if ((ret
= nouveau_bo_init(&nvdev
->base
))) {
49 nouveau_device_close((void *)&nvdev
);
58 nouveau_device_open(struct nouveau_device
**dev
, const char *busid
)
66 fd
= drmOpen("nouveau", busid
);
70 ret
= drmCreateContext(fd
, &ctx
);
76 ret
= nouveau_device_open_existing(dev
, 1, fd
, ctx
);
78 drmDestroyContext(fd
, ctx
);
87 nouveau_device_close(struct nouveau_device
**dev
)
89 struct nouveau_device_priv
*nvdev
;
93 nvdev
= nouveau_device(*dev
);
96 nouveau_bo_takedown(&nvdev
->base
);
98 if (nvdev
->needs_close
) {
99 drmDestroyContext(nvdev
->fd
, nvdev
->ctx
);
106 nouveau_device_get_param(struct nouveau_device
*dev
,
107 uint64_t param
, uint64_t *value
)
109 struct nouveau_device_priv
*nvdev
= nouveau_device(dev
);
110 struct drm_nouveau_getparam g
;
113 if (!nvdev
|| !value
)
117 ret
= drmCommandWriteRead(nvdev
->fd
, DRM_NOUVEAU_GETPARAM
,
127 nouveau_device_set_param(struct nouveau_device
*dev
,
128 uint64_t param
, uint64_t value
)
130 struct nouveau_device_priv
*nvdev
= nouveau_device(dev
);
131 struct drm_nouveau_setparam s
;
139 ret
= drmCommandWriteRead(nvdev
->fd
, DRM_NOUVEAU_SETPARAM
,