mirror of
https://github.com/tiagovignatti/intel-gpu-tools.git
synced 2025-06-08 08:26:10 +00:00
38e3c58cba
Replace the silly strcasecmp() if ladder with and array that maps the unit names to port numbers. And keep the thing sorted so we can do the lookup with bsearch() for extra speed :) Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
107 lines
2.9 KiB
C
107 lines
2.9 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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#include "drmtest.h"
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/* keep sorted by name for bsearch() */
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static const struct iosf_sb_port {
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const char *name;
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uint8_t port;
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} iosf_sb_ports[] = {
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{ "bunit", 0x03, },
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{ "cck", 0x14, },
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{ "ccu", 0xa9, },
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{ "dpio", 0x12, },
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{ "dpio2", 0x1a, },
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{ "flisdsi", 0x1b, },
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{ "gpio_nc", 0x13, },
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{ "nc", 0x11, },
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{ "punit", 0x04, },
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};
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static int iosf_sb_port_compare(const void *a, const void *b)
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{
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const char *name = a;
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const struct iosf_sb_port *p = b;
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return strcasecmp(name, p->name);
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}
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static int iosf_sb_port_parse(const char *name)
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{
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const struct iosf_sb_port *p;
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p = bsearch(name, iosf_sb_ports, ARRAY_SIZE(iosf_sb_ports),
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sizeof(iosf_sb_ports[0]),
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iosf_sb_port_compare);
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if (p)
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return p->port;
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return strtoul(name, NULL, 16);
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}
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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 = iosf_sb_port_parse(argv[1]);
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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("0x%02x(%s)/0x%04x before : 0x%08x\n", port, argv[1], reg, 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("0x%02x(%s)/0x%04x after : 0x%08x\n", port, argv[1], reg, tmp);
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intel_register_access_fini();
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return 0;
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}
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