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-rw-r--r--tools/intel_stepping.c294
1 files changed, 294 insertions, 0 deletions
diff --git a/tools/intel_stepping.c b/tools/intel_stepping.c
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--- /dev/null
+++ b/tools/intel_stepping.c
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+/*
+ * Copyright © 2007 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <pciaccess.h>
+#include <err.h>
+#include "intel_chipset.h"
+#include "intel_gpu_tools.h"
+
+static void
+print_clock(const char *name, int clock) {
+ if (clock == -1)
+ printf("%s clock: unknown", name);
+ else
+ printf("%s clock: %d Mhz", name, clock);
+}
+
+static int
+print_clock_info(struct pci_device *pci_dev)
+{
+ uint32_t devid = pci_dev->device_id;
+ uint16_t gcfgc;
+
+ if (IS_GM45(devid)) {
+ int core_clock = -1;
+
+ pci_device_cfg_read_u16(pci_dev, &gcfgc, I915_GCFGC);
+
+ switch (gcfgc & 0xf) {
+ case 8:
+ core_clock = 266;
+ break;
+ case 9:
+ core_clock = 320;
+ break;
+ case 11:
+ core_clock = 400;
+ break;
+ case 13:
+ core_clock = 533;
+ break;
+ }
+ print_clock("core", core_clock);
+ } else if (IS_965(devid) && IS_MOBILE(devid)) {
+ int render_clock = -1, sampler_clock = -1;
+
+ pci_device_cfg_read_u16(pci_dev, &gcfgc, I915_GCFGC);
+
+ switch (gcfgc & 0xf) {
+ case 2:
+ render_clock = 250; sampler_clock = 267;
+ break;
+ case 3:
+ render_clock = 320; sampler_clock = 333;
+ break;
+ case 4:
+ render_clock = 400; sampler_clock = 444;
+ break;
+ case 5:
+ render_clock = 500; sampler_clock = 533;
+ break;
+ }
+
+ print_clock("render", render_clock);
+ printf(" ");
+ print_clock("sampler", sampler_clock);
+ } else if (IS_945(devid) && IS_MOBILE(devid)) {
+ int render_clock = -1, display_clock = -1;
+
+ pci_device_cfg_read_u16(pci_dev, &gcfgc, I915_GCFGC);
+
+ switch (gcfgc & 0x7) {
+ case 0:
+ render_clock = 166;
+ break;
+ case 1:
+ render_clock = 200;
+ break;
+ case 3:
+ render_clock = 250;
+ break;
+ case 5:
+ render_clock = 400;
+ break;
+ }
+
+ switch (gcfgc & 0x70) {
+ case 0:
+ display_clock = 200;
+ break;
+ case 4:
+ display_clock = 320;
+ break;
+ }
+ if (gcfgc & (1 << 7))
+ display_clock = 133;
+
+ print_clock("render", render_clock);
+ printf(" ");
+ print_clock("display", display_clock);
+ } else if (IS_915(devid) && IS_MOBILE(devid)) {
+ int render_clock = -1, display_clock = -1;
+
+ pci_device_cfg_read_u16(pci_dev, &gcfgc, I915_GCFGC);
+
+ switch (gcfgc & 0x7) {
+ case 0:
+ render_clock = 160;
+ break;
+ case 1:
+ render_clock = 190;
+ break;
+ case 4:
+ render_clock = 333;
+ break;
+ }
+ if (gcfgc & (1 << 13))
+ render_clock = 133;
+
+ switch (gcfgc & 0x70) {
+ case 0:
+ display_clock = 190;
+ break;
+ case 4:
+ display_clock = 333;
+ break;
+ }
+ if (gcfgc & (1 << 7))
+ display_clock = 133;
+
+ print_clock("render", render_clock);
+ printf(" ");
+ print_clock("display", display_clock);
+ }
+
+ printf("\n");
+ return -1;
+}
+
+int main(int argc, char **argv)
+{
+ struct pci_device *dev, *bridge;
+ int error;
+ uint8_t stepping;
+ const char *step_desc = "??";
+
+ error = pci_system_init();
+ if (error != 0) {
+ fprintf(stderr, "Couldn't initialize PCI system: %s\n",
+ strerror(error));
+ exit(1);
+ }
+
+ /* Grab the graphics card */
+ dev = pci_device_find_by_slot(0, 0, 2, 0);
+ if (dev == NULL)
+ errx(1, "Couldn't find graphics card");
+
+ error = pci_device_probe(dev);
+ if (error != 0) {
+ fprintf(stderr, "Couldn't probe graphics card: %s\n",
+ strerror(error));
+ exit(1);
+ }
+
+ if (dev->vendor_id != 0x8086)
+ errx(1, "Graphics card is non-intel");
+
+ bridge = pci_device_find_by_slot(0, 0, 0, 0);
+ if (dev == NULL)
+ errx(1, "Couldn't bridge");
+
+ error = pci_device_cfg_read_u8(bridge, &stepping, 8);
+ if (error != 0) {
+ fprintf(stderr, "Couldn't read revision ID: %s\n",
+ strerror(error));
+ exit(1);
+ }
+
+ switch (dev->device_id) {
+ case PCI_CHIP_I915_G:
+ if (stepping < 0x04)
+ step_desc = "<B1";
+ else if (stepping == 0x04)
+ step_desc = "B1";
+ else if (stepping == 0x0e)
+ step_desc = "C2";
+ else if (stepping > 0x0e)
+ step_desc = ">C2";
+ else
+ step_desc = ">B1 <C2";
+ break;
+ case PCI_CHIP_I915_GM:
+ if (stepping < 0x03)
+ step_desc = "<B1";
+ else if (stepping == 0x03)
+ step_desc = "B1/C0";
+ else if (stepping == 0x04)
+ step_desc = "C1/C2";
+ else
+ step_desc = ">C2";
+ break;
+ case PCI_CHIP_I945_GM:
+ if (stepping < 0x03)
+ step_desc = "<A3";
+ else if (stepping == 0x03)
+ step_desc = "A3";
+ else
+ step_desc = ">A3";
+ break;
+ case PCI_CHIP_I965_G:
+ case PCI_CHIP_I965_Q:
+ if (stepping < 0x02)
+ step_desc = "<C1";
+ else if (stepping == 0x02)
+ step_desc = "C1/C2";
+ else
+ step_desc = ">C2";
+ break;
+ case PCI_CHIP_I965_GM:
+ if (stepping < 0x03)
+ step_desc = "<C0";
+ else if (stepping == 0x03)
+ step_desc = "C0";
+ else
+ step_desc = ">C0";
+ break;
+ case PCI_CHIP_I965_G_1:
+ if (stepping < 0x03)
+ step_desc = "<E0";
+ else if (stepping == 0x03)
+ step_desc = "E0";
+ else
+ step_desc = ">E0";
+ break;
+ case PCI_CHIP_GM45_GM:
+ if (stepping < 0x07)
+ step_desc = "<B3";
+ else if (stepping == 0x03)
+ step_desc = "B3";
+ else
+ step_desc = ">B3";
+ break;
+ case PCI_CHIP_G45_G:
+ case PCI_CHIP_Q45_G:
+ case PCI_CHIP_G41_G:
+ if (stepping < 0x02)
+ step_desc = "<A2";
+ else if (stepping == 0x02)
+ step_desc = "A2";
+ else if (stepping == 0x03)
+ step_desc = "A3";
+ else
+ step_desc = ">A3";
+ break;
+ }
+
+ printf("Vendor: 0x%04x, Device: 0x%04x, Revision: 0x%02x (%s)\n",
+ dev->vendor_id,
+ dev->device_id,
+ stepping,
+ step_desc);
+
+ print_clock_info(dev);
+
+ return 0;
+}
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