1 /*
2  * Copyright © 2015 Intel 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 #include "util/macros.h"
25 #include "dev/gen_device_info.h"
26 
27 enum gen {
28    GEN4  = (1 << 0),
29    GEN45 = (1 << 1),
30    GEN5  = (1 << 2),
31    GEN6  = (1 << 3),
32    GEN7  = (1 << 4),
33    GEN75 = (1 << 5),
34    GEN8  = (1 << 6),
35    GEN9  = (1 << 7),
36    GEN10 = (1 << 8),
37    GEN11 = (1 << 9),
38    GEN12 = (1 << 10),
39    GEN_ALL = ~0
40 };
41 
42 #define GEN_LT(gen) ((gen) - 1)
43 #define GEN_GE(gen) (~GEN_LT(gen))
44 #define GEN_LE(gen) (GEN_LT(gen) | (gen))
45 
46 static enum gen
gen_from_devinfo(const struct gen_device_info * devinfo)47 gen_from_devinfo(const struct gen_device_info *devinfo)
48 {
49    switch (devinfo->gen) {
50    case 4: return devinfo->is_g4x ? GEN45 : GEN4;
51    case 5: return GEN5;
52    case 6: return GEN6;
53    case 7: return devinfo->is_haswell ? GEN75 : GEN7;
54    case 8: return GEN8;
55    case 9: return GEN9;
56    case 11: return GEN11;
57    case 12: return GEN12;
58    default:
59       unreachable("not reached");
60    }
61 }
62