include/nvamemtiming.h

   1 /*
   2  * Copyright (C) 2011-2012 Martin Peres <martin.peres@labri.fr>
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #ifndef NVAMEMTIMING_H
  26 #define NVAMEMTIMING_H
  27         #include <stdint.h>
  28         #include <stdbool.h>
  29
  30         struct nvamemtiming_conf {
  31                 int cnum;
  32                 bool mmiotrace;
  33                 uint16_t counter;
  34
  35                 enum { MODE_AUTO = 0, MODE_BITFIELD = 1, MODE_MANUAL = 2, MODE_DEEP = 3 } mode;
  36                 union {
  37                         struct {
  38                                 uint8_t index;
  39                                 uint8_t value;
  40                         } manual;
  41
  42                         struct {
  43                                 uint8_t start;
  44                                 uint8_t end;
  45                         } range;
  46
  47                         struct {
  48                                 uint8_t index;
  49                         } bitfield;
  50
  51                         struct {
  52                                 uint8_t entry;
  53                                 uint16_t timing_entry_offset;
  54                         } deep;
  55                 };
  56
  57                 struct {
  58                         const char *file;
  59                         uint8_t *data;
  60                         size_t length;
  61
  62                         uint16_t timing_table_offset;
  63                         uint16_t timing_entry_offset;
  64                         uint16_t timing_entry_length;
  65                 } vbios;
  66
  67                 struct {
  68                         uint8_t entry;
  69                         uint8_t perflvl;
  70                 } timing;
  71         };
  72
  73         int vbios_read(const char *filename, uint8_t **vbios, size_t *length);
  74
  75         int deep_dump(struct nvamemtiming_conf *conf);
  76         int shallow_dump(struct nvamemtiming_conf *conf);
  77         int bitfield_check(struct nvamemtiming_conf *conf);
  78         int manual_check(struct nvamemtiming_conf *conf);
  79
  80 #endif