1 /*
2 * Copyright (C) 2018 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 #include "intel_chipset.h"
24
25 #include <inttypes.h>
26 #include <stdbool.h>
27
28 #include "i915_pciids.h"
29
30 #undef INTEL_VGA_DEVICE
31 #define INTEL_VGA_DEVICE(id, gen) { id, gen }
32
33 static const struct pci_device {
34 uint16_t device;
35 uint16_t gen;
36 } pciids[] = {
37 /* Keep ids sorted by gen; latest gen first */
38 INTEL_TGL_12_IDS(12),
39 INTEL_EHL_IDS(11),
40 INTEL_ICL_11_IDS(11),
41 INTEL_CNL_IDS(10),
42 INTEL_CFL_IDS(9),
43 INTEL_GLK_IDS(9),
44 INTEL_KBL_IDS(9),
45 INTEL_BXT_IDS(9),
46 INTEL_SKL_IDS(9),
47 };
48
intel_is_genx(unsigned int devid,int gen)49 drm_private bool intel_is_genx(unsigned int devid, int gen)
50 {
51 const struct pci_device *p,
52 *pend = pciids + sizeof(pciids) / sizeof(pciids[0]);
53
54 for (p = pciids; p < pend; p++) {
55 /* PCI IDs are sorted */
56 if (p->gen < gen)
57 break;
58
59 if (p->device != devid)
60 continue;
61
62 if (gen == p->gen)
63 return true;
64
65 break;
66 }
67
68 return false;
69 }
70
intel_get_genx(unsigned int devid,int * gen)71 drm_private bool intel_get_genx(unsigned int devid, int *gen)
72 {
73 const struct pci_device *p,
74 *pend = pciids + sizeof(pciids) / sizeof(pciids[0]);
75
76 for (p = pciids; p < pend; p++) {
77 if (p->device != devid)
78 continue;
79
80 if (gen)
81 *gen = p->gen;
82
83 return true;
84 }
85
86 return false;
87 }
88