1 /*
2  * Copyright © 2020 Valve Corporation
3  *
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:
10  *
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
13  * Software.
14  *
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
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  */
24 
25 #include "freedreno_dev_info.h"
26 #include "util/macros.h"
27 
28 /**
29  * Table entry for a single GPU version
30  */
31 struct fd_dev_rec {
32    struct fd_dev_id id;
33    const char *name;
34    const struct fd_dev_info *info;
35 };
36 
37 #include "freedreno_devices.h"
38 
39 static bool
dev_id_compare(const struct fd_dev_id * a,const struct fd_dev_id * b)40 dev_id_compare(const struct fd_dev_id *a, const struct fd_dev_id *b)
41 {
42    if (a->gpu_id && b->gpu_id) {
43       return a->gpu_id == b->gpu_id;
44    } else {
45       assert(a->chip_id && b->chip_id);
46       /* Match on either:
47        * (a) exact match
48        * (b) device table entry has 0xff wildcard patch_id and core/
49        *     major/minor match
50        */
51       return (a->chip_id == b->chip_id) ||
52              (((a->chip_id & 0xff) == 0xff) &&
53               ((a->chip_id & UINT64_C(0xffffff00)) ==
54                (b->chip_id & UINT64_C(0xffffff00))));
55    }
56 }
57 
58 const struct fd_dev_info *
fd_dev_info(const struct fd_dev_id * id)59 fd_dev_info(const struct fd_dev_id *id)
60 {
61    for (int i = 0; i < ARRAY_SIZE(fd_dev_recs); i++) {
62       if (dev_id_compare(&fd_dev_recs[i].id, id)) {
63          return fd_dev_recs[i].info;
64       }
65    }
66    return NULL;
67 }
68 
69 const char *
fd_dev_name(const struct fd_dev_id * id)70 fd_dev_name(const struct fd_dev_id *id)
71 {
72    for (int i = 0; i < ARRAY_SIZE(fd_dev_recs); i++) {
73       if (dev_id_compare(&fd_dev_recs[i].id, id)) {
74          return fd_dev_recs[i].name;
75       }
76    }
77    return NULL;
78 }
79