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https://github.com/tiagovignatti/intel-gpu-tools.git
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b39eb28c25
Unlike the kernel IS_VALLEYVIEW() doesn't cover chv in igt. Add the appropriate IS_CHERRYVIEW() checks to the various sideband poking tools. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/*
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* Copyright © 2014 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <err.h>
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#include <string.h>
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#include "intel_io.h"
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#include "intel_chipset.h"
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static void usage(const char *name)
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{
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printf("Warning : This program will work only on Valleyview\n"
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"Usage: %s <port> <reg> <val>\n"
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"\t port/reg/val : in 0xXXXX format\n",
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name);
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}
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int main(int argc, char** argv)
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{
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uint32_t port, reg, val, tmp;
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struct pci_device *dev = intel_get_pci_device();
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if (argc != 4 || !(IS_VALLEYVIEW(dev->device_id) || IS_CHERRYVIEW(dev->device_id))) {
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usage(argv[0]);
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return 1;
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}
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port = strtoul(argv[1], NULL, 16);
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reg = strtoul(argv[2], NULL, 16);
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val = strtoul(argv[3], NULL, 16);
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intel_register_access_init(dev, 0);
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tmp = intel_iosf_sb_read(port, reg);
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printf("Value before: 0x%X\n", tmp);
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intel_iosf_sb_write(port, reg, val);
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tmp = intel_iosf_sb_read(port, reg);
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printf("Value after: 0x%X\n", tmp);
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intel_register_access_fini();
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return 0;
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}
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