AMD/powernow.h

   1 /*
   2  *  (C) 2001 Dave Jones.
   3  *
   4  *  Licensed under the terms of the GNU GPL License version 2.
   5  *
   6  *  Powernow register definitions.
   7  */
   8
   9 #include <sys/types.h>
  10
  11 #define MSR_FID_VID_CTL         0xc0010041
  12 #define MSR_FID_VID_STATUS      0xc0010042
  13
  14 #define MSR_PSTATE_LIMIT        0xc0010061
  15 #define MSR_PSTATE_STATUS       0xc0010063
  16 #define MSR_PSTATE              0xc0010064
  17
  18 union msr_vidctl {
  19         struct {
  20                 unsigned FID:5,                 // 4:0
  21                 reserved1:3,    // 7:5
  22                 VID:5,                  // 12:8
  23                 reserved2:3,    // 15:13
  24                 FIDC:1,                 // 16
  25                 VIDC:1,                 // 17
  26                 reserved3:2,    // 19:18
  27                 FIDCHGRATIO:1,  // 20
  28                 reserved4:11,   // 31-21
  29                 SGTC:20,                // 32:51
  30                 reserved5:12;   // 63:52
  31         } bits;
  32         unsigned long long val;
  33 };
  34
  35 union msr_fidvidstatus {
  36         struct {
  37                 unsigned CFID:5,                        // 4:0
  38                 reserved1:3,    // 7:5
  39                 SFID:5,                 // 12:8
  40                 reserved2:3,    // 15:13
  41                 MFID:5,                 // 20:16
  42                 reserved3:11,   // 31:21
  43                 CVID:5,                 // 36:32
  44                 reserved4:3,    // 39:37
  45                 SVID:5,                 // 44:40
  46                 reserved5:3,    // 47:45
  47                 MVID:5,                 // 52:48
  48                 reserved6:11;   // 63:53
  49         } bits;
  50         unsigned long long val;
  51 };
  52
  53 union k8_msr_fidvidstatus {
  54         struct {
  55                 unsigned cfid:6;
  56                 unsigned res1:2;
  57                 unsigned sfid:6;
  58                 unsigned res2:2;
  59                 unsigned mfid:6;
  60                 unsigned res3:2;
  61                 unsigned mrampvid:5;
  62                 unsigned res4:2;
  63                 unsigned fvpending:1;
  64                 unsigned cvid:5;
  65                 unsigned res5:3;
  66                 unsigned svid:5;
  67                 unsigned res6:3;
  68                 unsigned maxvid:5;
  69                 unsigned res7:3;
  70                 unsigned minvid:5;
  71                 unsigned res8:3;
  72         } bits;
  73         unsigned long long val;
  74 };
  75
  76 union msr_pstate {
  77         struct {
  78                 unsigned fid:6;
  79                 unsigned did:3;
  80                 unsigned vid:7;
  81                 unsigned res1:6;
  82                 unsigned nbdid:1;
  83                 unsigned res2:2;
  84                 unsigned nbvid:7;
  85                 unsigned iddval:8;
  86                 unsigned idddiv:2;
  87                 unsigned res3:21;
  88                 unsigned en:1;
  89         } bits;
  90         unsigned long long val;
  91 };
  92
  93 extern double mobile_vid_table[32];
  94 extern double fid_codes[32];
  95