2 * Copyright (C) 2014 Etnaviv 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 (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Christian Gmeiner <christian.gmeiner@gmail.com>
28 #include <linux/stddef.h>
29 #include <linux/types.h>
38 #include "etnaviv_priv.h"
39 #include "etnaviv_drmif.h"
41 static pthread_mutex_t table_lock
= PTHREAD_MUTEX_INITIALIZER
;
43 struct etna_device
*etna_device_new(int fd
)
45 struct etna_device
*dev
= calloc(sizeof(*dev
), 1);
50 p_atomic_set(&dev
->refcnt
, 1);
52 dev
->handle_table
= drmHashCreate();
53 dev
->name_table
= drmHashCreate();
54 etna_bo_cache_init(&dev
->bo_cache
);
59 /* like etna_device_new() but creates it's own private dup() of the fd
60 * which is close()d when the device is finalized. */
61 struct etna_device
*etna_device_new_dup(int fd
)
64 struct etna_device
*dev
= etna_device_new(dup_fd
);
74 struct etna_device
*etna_device_ref(struct etna_device
*dev
)
76 p_atomic_inc(&dev
->refcnt
);
81 static void etna_device_del_impl(struct etna_device
*dev
)
83 etna_bo_cache_cleanup(&dev
->bo_cache
, 0);
84 drmHashDestroy(dev
->handle_table
);
85 drmHashDestroy(dev
->name_table
);
93 void etna_device_del_locked(struct etna_device
*dev
)
95 if (!p_atomic_dec_zero(&dev
->refcnt
))
98 etna_device_del_impl(dev
);
101 void etna_device_del(struct etna_device
*dev
)
103 if (!p_atomic_dec_zero(&dev
->refcnt
))
106 pthread_mutex_lock(&table_lock
);
107 etna_device_del_impl(dev
);
108 pthread_mutex_unlock(&table_lock
);
111 int etna_device_fd(struct etna_device
*dev
)