/arch/mips/include/asm/sibyte/sb1250_smbus.h

http://github.com/mirrors/linux · C Header · 191 lines · 113 code · 42 blank · 36 comment · 4 complexity · 121e88c40c1854d1fffca2541ba6c252 MD5 · raw file

  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
  2. /* *********************************************************************
  3. * SB1250 Board Support Package
  4. *
  5. * SMBUS Constants File: sb1250_smbus.h
  6. *
  7. * This module contains constants and macros useful for
  8. * manipulating the SB1250's SMbus devices.
  9. *
  10. * SB1250 specification level: 10/21/02
  11. * BCM1280 specification level: 11/24/03
  12. *
  13. *********************************************************************
  14. *
  15. * Copyright 2000,2001,2002,2003
  16. * Broadcom Corporation. All rights reserved.
  17. *
  18. ********************************************************************* */
  19. #ifndef _SB1250_SMBUS_H
  20. #define _SB1250_SMBUS_H
  21. #include <asm/sibyte/sb1250_defs.h>
  22. /*
  23. * SMBus Clock Frequency Register (Table 14-2)
  24. */
  25. #define S_SMB_FREQ_DIV 0
  26. #define M_SMB_FREQ_DIV _SB_MAKEMASK(13, S_SMB_FREQ_DIV)
  27. #define V_SMB_FREQ_DIV(x) _SB_MAKEVALUE(x, S_SMB_FREQ_DIV)
  28. #define K_SMB_FREQ_400KHZ 0x1F
  29. #define K_SMB_FREQ_100KHZ 0x7D
  30. #define K_SMB_FREQ_10KHZ 1250
  31. #define S_SMB_CMD 0
  32. #define M_SMB_CMD _SB_MAKEMASK(8, S_SMB_CMD)
  33. #define V_SMB_CMD(x) _SB_MAKEVALUE(x, S_SMB_CMD)
  34. /*
  35. * SMBus control register (Table 14-4)
  36. */
  37. #define M_SMB_ERR_INTR _SB_MAKEMASK1(0)
  38. #define M_SMB_FINISH_INTR _SB_MAKEMASK1(1)
  39. #define S_SMB_DATA_OUT 4
  40. #define M_SMB_DATA_OUT _SB_MAKEMASK1(S_SMB_DATA_OUT)
  41. #define V_SMB_DATA_OUT(x) _SB_MAKEVALUE(x, S_SMB_DATA_OUT)
  42. #define M_SMB_DATA_DIR _SB_MAKEMASK1(5)
  43. #define M_SMB_DATA_DIR_OUTPUT M_SMB_DATA_DIR
  44. #define M_SMB_CLK_OUT _SB_MAKEMASK1(6)
  45. #define M_SMB_DIRECT_ENABLE _SB_MAKEMASK1(7)
  46. /*
  47. * SMBus status registers (Table 14-5)
  48. */
  49. #define M_SMB_BUSY _SB_MAKEMASK1(0)
  50. #define M_SMB_ERROR _SB_MAKEMASK1(1)
  51. #define M_SMB_ERROR_TYPE _SB_MAKEMASK1(2)
  52. #if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480)
  53. #define S_SMB_SCL_IN 5
  54. #define M_SMB_SCL_IN _SB_MAKEMASK1(S_SMB_SCL_IN)
  55. #define V_SMB_SCL_IN(x) _SB_MAKEVALUE(x, S_SMB_SCL_IN)
  56. #define G_SMB_SCL_IN(x) _SB_GETVALUE(x, S_SMB_SCL_IN, M_SMB_SCL_IN)
  57. #endif /* 1250 PASS3 || 112x PASS1 || 1480 */
  58. #define S_SMB_REF 6
  59. #define M_SMB_REF _SB_MAKEMASK1(S_SMB_REF)
  60. #define V_SMB_REF(x) _SB_MAKEVALUE(x, S_SMB_REF)
  61. #define G_SMB_REF(x) _SB_GETVALUE(x, S_SMB_REF, M_SMB_REF)
  62. #define S_SMB_DATA_IN 7
  63. #define M_SMB_DATA_IN _SB_MAKEMASK1(S_SMB_DATA_IN)
  64. #define V_SMB_DATA_IN(x) _SB_MAKEVALUE(x, S_SMB_DATA_IN)
  65. #define G_SMB_DATA_IN(x) _SB_GETVALUE(x, S_SMB_DATA_IN, M_SMB_DATA_IN)
  66. /*
  67. * SMBus Start/Command registers (Table 14-9)
  68. */
  69. #define S_SMB_ADDR 0
  70. #define M_SMB_ADDR _SB_MAKEMASK(7, S_SMB_ADDR)
  71. #define V_SMB_ADDR(x) _SB_MAKEVALUE(x, S_SMB_ADDR)
  72. #define G_SMB_ADDR(x) _SB_GETVALUE(x, S_SMB_ADDR, M_SMB_ADDR)
  73. #define M_SMB_QDATA _SB_MAKEMASK1(7)
  74. #define S_SMB_TT 8
  75. #define M_SMB_TT _SB_MAKEMASK(3, S_SMB_TT)
  76. #define V_SMB_TT(x) _SB_MAKEVALUE(x, S_SMB_TT)
  77. #define G_SMB_TT(x) _SB_GETVALUE(x, S_SMB_TT, M_SMB_TT)
  78. #define K_SMB_TT_WR1BYTE 0
  79. #define K_SMB_TT_WR2BYTE 1
  80. #define K_SMB_TT_WR3BYTE 2
  81. #define K_SMB_TT_CMD_RD1BYTE 3
  82. #define K_SMB_TT_CMD_RD2BYTE 4
  83. #define K_SMB_TT_RD1BYTE 5
  84. #define K_SMB_TT_QUICKCMD 6
  85. #define K_SMB_TT_EEPROMREAD 7
  86. #define V_SMB_TT_WR1BYTE V_SMB_TT(K_SMB_TT_WR1BYTE)
  87. #define V_SMB_TT_WR2BYTE V_SMB_TT(K_SMB_TT_WR2BYTE)
  88. #define V_SMB_TT_WR3BYTE V_SMB_TT(K_SMB_TT_WR3BYTE)
  89. #define V_SMB_TT_CMD_RD1BYTE V_SMB_TT(K_SMB_TT_CMD_RD1BYTE)
  90. #define V_SMB_TT_CMD_RD2BYTE V_SMB_TT(K_SMB_TT_CMD_RD2BYTE)
  91. #define V_SMB_TT_RD1BYTE V_SMB_TT(K_SMB_TT_RD1BYTE)
  92. #define V_SMB_TT_QUICKCMD V_SMB_TT(K_SMB_TT_QUICKCMD)
  93. #define V_SMB_TT_EEPROMREAD V_SMB_TT(K_SMB_TT_EEPROMREAD)
  94. #define M_SMB_PEC _SB_MAKEMASK1(15)
  95. /*
  96. * SMBus Data Register (Table 14-6) and SMBus Extra Register (Table 14-7)
  97. */
  98. #define S_SMB_LB 0
  99. #define M_SMB_LB _SB_MAKEMASK(8, S_SMB_LB)
  100. #define V_SMB_LB(x) _SB_MAKEVALUE(x, S_SMB_LB)
  101. #define S_SMB_MB 8
  102. #define M_SMB_MB _SB_MAKEMASK(8, S_SMB_MB)
  103. #define V_SMB_MB(x) _SB_MAKEVALUE(x, S_SMB_MB)
  104. /*
  105. * SMBus Packet Error Check register (Table 14-8)
  106. */
  107. #define S_SPEC_PEC 0
  108. #define M_SPEC_PEC _SB_MAKEMASK(8, S_SPEC_PEC)
  109. #define V_SPEC_MB(x) _SB_MAKEVALUE(x, S_SPEC_PEC)
  110. #if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480)
  111. #define S_SMB_CMDH 8
  112. #define M_SMB_CMDH _SB_MAKEMASK(8, S_SMB_CMDH)
  113. #define V_SMB_CMDH(x) _SB_MAKEVALUE(x, S_SMB_CMDH)
  114. #define M_SMB_EXTEND _SB_MAKEMASK1(14)
  115. #define S_SMB_DFMT 8
  116. #define M_SMB_DFMT _SB_MAKEMASK(3, S_SMB_DFMT)
  117. #define V_SMB_DFMT(x) _SB_MAKEVALUE(x, S_SMB_DFMT)
  118. #define G_SMB_DFMT(x) _SB_GETVALUE(x, S_SMB_DFMT, M_SMB_DFMT)
  119. #define K_SMB_DFMT_1BYTE 0
  120. #define K_SMB_DFMT_2BYTE 1
  121. #define K_SMB_DFMT_3BYTE 2
  122. #define K_SMB_DFMT_4BYTE 3
  123. #define K_SMB_DFMT_NODATA 4
  124. #define K_SMB_DFMT_CMD4BYTE 5
  125. #define K_SMB_DFMT_CMD5BYTE 6
  126. #define K_SMB_DFMT_RESERVED 7
  127. #define V_SMB_DFMT_1BYTE V_SMB_DFMT(K_SMB_DFMT_1BYTE)
  128. #define V_SMB_DFMT_2BYTE V_SMB_DFMT(K_SMB_DFMT_2BYTE)
  129. #define V_SMB_DFMT_3BYTE V_SMB_DFMT(K_SMB_DFMT_3BYTE)
  130. #define V_SMB_DFMT_4BYTE V_SMB_DFMT(K_SMB_DFMT_4BYTE)
  131. #define V_SMB_DFMT_NODATA V_SMB_DFMT(K_SMB_DFMT_NODATA)
  132. #define V_SMB_DFMT_CMD4BYTE V_SMB_DFMT(K_SMB_DFMT_CMD4BYTE)
  133. #define V_SMB_DFMT_CMD5BYTE V_SMB_DFMT(K_SMB_DFMT_CMD5BYTE)
  134. #define V_SMB_DFMT_RESERVED V_SMB_DFMT(K_SMB_DFMT_RESERVED)
  135. #define S_SMB_AFMT 11
  136. #define M_SMB_AFMT _SB_MAKEMASK(2, S_SMB_AFMT)
  137. #define V_SMB_AFMT(x) _SB_MAKEVALUE(x, S_SMB_AFMT)
  138. #define G_SMB_AFMT(x) _SB_GETVALUE(x, S_SMB_AFMT, M_SMB_AFMT)
  139. #define K_SMB_AFMT_NONE 0
  140. #define K_SMB_AFMT_ADDR 1
  141. #define K_SMB_AFMT_ADDR_CMD1BYTE 2
  142. #define K_SMB_AFMT_ADDR_CMD2BYTE 3
  143. #define V_SMB_AFMT_NONE V_SMB_AFMT(K_SMB_AFMT_NONE)
  144. #define V_SMB_AFMT_ADDR V_SMB_AFMT(K_SMB_AFMT_ADDR)
  145. #define V_SMB_AFMT_ADDR_CMD1BYTE V_SMB_AFMT(K_SMB_AFMT_ADDR_CMD1BYTE)
  146. #define V_SMB_AFMT_ADDR_CMD2BYTE V_SMB_AFMT(K_SMB_AFMT_ADDR_CMD2BYTE)
  147. #define M_SMB_DIR _SB_MAKEMASK1(13)
  148. #endif /* 1250 PASS2 || 112x PASS1 || 1480 */
  149. #endif