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>
37 #include <xf86atomic.h>
39 #include "etnaviv_priv.h"
40 #include "etnaviv_drmif.h"
42 static pthread_mutex_t table_lock
= PTHREAD_MUTEX_INITIALIZER
;
44 struct etna_device
*etna_device_new(int fd
)
46 struct etna_device
*dev
= calloc(sizeof(*dev
), 1);
51 atomic_set(&dev
->refcnt
, 1);
53 dev
->handle_table
= drmHashCreate();
54 dev
->name_table
= drmHashCreate();
55 etna_bo_cache_init(&dev
->bo_cache
);
60 /* like etna_device_new() but creates it's own private dup() of the fd
61 * which is close()d when the device is finalized. */
62 struct etna_device
*etna_device_new_dup(int fd
)
65 struct etna_device
*dev
= etna_device_new(dup_fd
);
75 struct etna_device
*etna_device_ref(struct etna_device
*dev
)
77 atomic_inc(&dev
->refcnt
);
82 static void etna_device_del_impl(struct etna_device
*dev
)
84 etna_bo_cache_cleanup(&dev
->bo_cache
, 0);
85 drmHashDestroy(dev
->handle_table
);
86 drmHashDestroy(dev
->name_table
);
94 void etna_device_del_locked(struct etna_device
*dev
)
96 if (!atomic_dec_and_test(&dev
->refcnt
))
99 etna_device_del_impl(dev
);
102 void etna_device_del(struct etna_device
*dev
)
104 if (!atomic_dec_and_test(&dev
->refcnt
))
107 pthread_mutex_lock(&table_lock
);
108 etna_device_del_impl(dev
);
109 pthread_mutex_unlock(&table_lock
);
112 int etna_device_fd(struct etna_device
*dev
)