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gerrit-public.fairphone.software / platform / external / igt-gpu-tools / 872713057a7bf02afaab89832d85c0401b4bb510 / . / tools / intel_stepping.c
blob: 2eb44c7e9e54bc05be297b8cb9fee58ce1c74769 [file] [log] [blame]
Eric Anholt29777a52009-03-27 10:59:09 -0700[diff] [blame]1/*
2 * Copyright © 2007 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
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
25 *
26 */
27
28#include <stdio.h>
29#include <stdlib.h>
30#include <string.h>
31#include <stdarg.h>
32#include <pciaccess.h>
33#include <err.h>
34#include "intel_chipset.h"
35
36int main(int argc, char **argv)
37{
38 struct pci_device *dev, *bridge;
39 int err;
40 uint8_t stepping;
41 char *step_desc = "??";
42
43 err = pci_system_init();
44 if (err != 0) {
45 fprintf(stderr, "Couldn't initialize PCI system: %s\n",
46 strerror(err));
47 exit(1);
48 }
49
50 /* Grab the graphics card */
51 dev = pci_device_find_by_slot(0, 0, 2, 0);
52 if (dev == NULL)
53 errx(1, "Couldn't find graphics card");
54
55 err = pci_device_probe(dev);
56 if (err != 0) {
57 fprintf(stderr, "Couldn't probe graphics card: %s\n",
58 strerror(err));
59 exit(1);
60 }
61
62 if (dev->vendor_id != 0x8086)
63 errx(1, "Graphics card is non-intel");
64
65 bridge = pci_device_find_by_slot(0, 0, 0, 0);
66 if (dev == NULL)
67 errx(1, "Couldn't bridge");
68
69 err = pci_device_cfg_read_u8(bridge, &stepping, 8);
70 if (err != 0) {
71 fprintf(stderr, "Couldn't read revision ID: %s\n",
72 strerror(err));
73 exit(1);
74 }
75
76 switch (dev->device_id) {
77 case PCI_CHIP_I915_G:
78 if (stepping < 0x04)
79 step_desc = "<B1";
80 else if (stepping == 0x04)
81 step_desc = "B1";
82 else if (stepping == 0x0e)
83 step_desc = "C2";
84 else if (stepping > 0x0e)
85 step_desc = ">C2";
86 else
87 step_desc = ">B1 <C2";
88 break;
89 case PCI_CHIP_I915_GM:
90 if (stepping < 0x03)
91 step_desc = "<B1";
92 else if (stepping == 0x03)
93 step_desc = "B1/C0";
94 else if (stepping == 0x04)
95 step_desc = "C1/C2";
96 else
97 step_desc = ">C2";
98 break;
99 case PCI_CHIP_I945_GM:
100 if (stepping < 0x03)
101 step_desc = "<A3";
102 else if (stepping == 0x03)
103 step_desc = "A3";
104 else
105 step_desc = ">A3";
106 break;
107 case PCI_CHIP_I965_G:
108 case PCI_CHIP_I965_Q:
109 if (stepping < 0x02)
110 step_desc = "<C1";
111 else if (stepping == 0x02)
112 step_desc = "C1/C2";
113 else
114 step_desc = ">C2";
115 break;
116 case PCI_CHIP_I965_GM:
117 if (stepping < 0x03)
118 step_desc = "<C0";
119 else if (stepping == 0x03)
120 step_desc = "C0";
121 else
122 step_desc = ">C0";
123 break;
124 case PCI_CHIP_I965_G_1:
125 if (stepping < 0x03)
126 step_desc = "<E0";
127 else if (stepping == 0x03)
128 step_desc = "E0";
129 else
130 step_desc = ">E0";
131 break;
Eric Anholt87271302009-03-27 11:07:33 -0700[diff] [blame^]132 case PCI_CHIP_GM45_GM:
133 if (stepping < 0x07)
134 step_desc = "<B3";
135 else if (stepping == 0x03)
136 step_desc = "B3";
137 else
138 step_desc = ">B3";
139 break;
140 case PCI_CHIP_G45_G:
141 case PCI_CHIP_Q45_G:
142 case PCI_CHIP_G41_G:
143 if (stepping < 0x02)
144 step_desc = "<A2";
145 else if (stepping == 0x02)
146 step_desc = "A2";
147 else if (stepping == 0x03)
148 step_desc = "A3";
149 else
150 step_desc = ">A3";
151 break;
Eric Anholt29777a52009-03-27 10:59:09 -0700[diff] [blame]152 }
153
154 printf("Vendor: 0x%04x, Device: 0x%04x, Revision: 0x%02x (%s)\n",
155 dev->vendor_id,
156 dev->device_id,
157 stepping,
158 step_desc);
159 return 0;
160}