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_ADLS_IDS(12),
39 INTEL_RKL_IDS(12),
40 INTEL_DG1_IDS(12),
41 INTEL_TGL_12_IDS(12),
42 INTEL_JSL_IDS(11),
43 INTEL_EHL_IDS(11),
44 INTEL_ICL_11_IDS(11),
45 INTEL_CNL_IDS(10),
46 INTEL_CFL_IDS(9),
47 INTEL_GLK_IDS(9),
48 INTEL_KBL_IDS(9),
49 INTEL_BXT_IDS(9),
50 INTEL_SKL_IDS(9),
51 };
52
intel_is_genx(unsigned int devid,int gen)53 drm_private bool intel_is_genx(unsigned int devid, int gen)
54 {
55 const struct pci_device *p,
56 *pend = pciids + sizeof(pciids) / sizeof(pciids[0]);
57
58 for (p = pciids; p < pend; p++) {
59 /* PCI IDs are sorted */
60 if (p->gen < gen)
61 break;
62
63 if (p->device != devid)
64 continue;
65
66 if (gen == p->gen)
67 return true;
68
69 break;
70 }
71
72 return false;
73 }
74
intel_get_genx(unsigned int devid,int * gen)75 drm_private bool intel_get_genx(unsigned int devid, int *gen)
76 {
77 const struct pci_device *p,
78 *pend = pciids + sizeof(pciids) / sizeof(pciids[0]);
79
80 for (p = pciids; p < pend; p++) {
81 if (p->device != devid)
82 continue;
83
84 if (gen)
85 *gen = p->gen;
86
87 return true;
88 }
89
90 return false;
91 }
92