You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
296 lines
6.3 KiB
296 lines
6.3 KiB
/*
|
|
* 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_io.h"
|
|
#include "intel_reg.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;
|
|
}
|