From 8c8ca16120927fc2d3cf8bcd5212a4227a280708 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Fri, 8 Feb 2008 11:34:04 -0800 Subject: [PATCH] Add a little program to output the stepping information for several chipsets. --- src/reg_dumper/.gitignore | 2 + src/reg_dumper/Makefile.am | 7 +- src/reg_dumper/stepping.c | 137 +++++++++++++++++++++++++++++++++++++ 3 files changed, 144 insertions(+), 2 deletions(-) create mode 100644 src/reg_dumper/stepping.c diff --git a/src/reg_dumper/.gitignore b/src/reg_dumper/.gitignore index 1b38d5c6..f72a165e 100644 --- a/src/reg_dumper/.gitignore +++ b/src/reg_dumper/.gitignore @@ -1 +1,3 @@ +intel_idle intel_reg_dumper +intel_stepping diff --git a/src/reg_dumper/Makefile.am b/src/reg_dumper/Makefile.am index bba388f5..b840b244 100644 --- a/src/reg_dumper/Makefile.am +++ b/src/reg_dumper/Makefile.am @@ -1,4 +1,4 @@ -noinst_PROGRAMS = intel_reg_dumper intel_idle +noinst_PROGRAMS = intel_reg_dumper intel_idle intel_stepping intel_reg_dumper_SOURCES = \ main.c \ @@ -12,9 +12,12 @@ intel_idle_SOURCES = \ xprintf.c \ ../i830_debug.c -intel_reg_dumper_LDADD = $(PCIACCESS_LIBS) +intel_stepping_SOURCES = \ + stepping.c +intel_reg_dumper_LDADD = $(PCIACCESS_LIBS) intel_idle_LDADD = $(PCIACCESS_LIBS) +intel_stepping_LDADD = $(PCIACCESS_LIBS) AM_CFLAGS = $(PCIACCESS_CFLAGS) $(WARN_CFLAGS) \ -I$(srcdir)/.. -DREG_DUMPER diff --git a/src/reg_dumper/stepping.c b/src/reg_dumper/stepping.c new file mode 100644 index 00000000..dd0cb427 --- /dev/null +++ b/src/reg_dumper/stepping.c @@ -0,0 +1,137 @@ +/* + * 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 + * + */ + +#include +#include +#include +#include +#include +#include +#include "common.h" + +int main(int argc, char **argv) +{ + struct pci_device *dev, *bridge; + int err; + uint8_t stepping; + char *step_desc = "??"; + + err = pci_system_init(); + if (err != 0) { + fprintf(stderr, "Couldn't initialize PCI system: %s\n", strerror(err)); + 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"); + + err = pci_device_probe(dev); + if (err != 0) { + fprintf(stderr, "Couldn't probe graphics card: %s\n", strerror(err)); + 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"); + + err = pci_device_cfg_read_u8(bridge, &stepping, 8); + if (err != 0) { + fprintf(stderr, "Couldn't read revision ID: %s\n", strerror(err)); + exit(1); + } + + switch (dev->device_id) { + case PCI_CHIP_I915_G: + if (stepping < 0x04) + step_desc = " 0x0e) + step_desc = ">C2"; + else + step_desc = ">B1 vendor_id, + dev->device_id, + stepping, + step_desc); + return 0; +}