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  1. /*
  2.  * Copyright 2008 Advanced Micro Devices, Inc.
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the "Software"),
  6.  * to deal in the Software without restriction, including without limitation
  7.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8.  * and/or sell copies of the Software, and to permit persons to whom the
  9.  * Software is furnished to do so, subject to the following conditions:
  10.  *
  11.  * The above copyright notice and this permission notice shall be included in
  12.  * all copies or substantial portions of the Software.
  13.  *
  14.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17.  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20.  * OTHER DEALINGS IN THE SOFTWARE.
  21.  *
  22.  * Author: Stanislaw Skowronek
  23.  */
  24.  
  25. #ifndef ATOM_H
  26. #define ATOM_H
  27.  
  28. #include <linux/types.h>
  29. #include <drm/drmP.h>
  30.  
  31. #define ATOM_BIOS_MAGIC         0xAA55
  32. #define ATOM_ATI_MAGIC_PTR      0x30
  33. #define ATOM_ATI_MAGIC          " 761295520"
  34. #define ATOM_ROM_TABLE_PTR      0x48
  35.  
  36. #define ATOM_ROM_MAGIC          "ATOM"
  37. #define ATOM_ROM_MAGIC_PTR      4
  38.  
  39. #define ATOM_ROM_MSG_PTR        0x10
  40. #define ATOM_ROM_CMD_PTR        0x1E
  41. #define ATOM_ROM_DATA_PTR       0x20
  42.  
  43. #define ATOM_CMD_INIT           0
  44. #define ATOM_CMD_SETSCLK        0x0A
  45. #define ATOM_CMD_SETMCLK        0x0B
  46. #define ATOM_CMD_SETPCLK        0x0C
  47. #define ATOM_CMD_SPDFANCNTL     0x39
  48.  
  49. #define ATOM_DATA_FWI_PTR       0xC
  50. #define ATOM_DATA_IIO_PTR       0x32
  51.  
  52. #define ATOM_FWI_DEFSCLK_PTR    8
  53. #define ATOM_FWI_DEFMCLK_PTR    0xC
  54. #define ATOM_FWI_MAXSCLK_PTR    0x24
  55. #define ATOM_FWI_MAXMCLK_PTR    0x28
  56.  
  57. #define ATOM_CT_SIZE_PTR        0
  58. #define ATOM_CT_WS_PTR          4
  59. #define ATOM_CT_PS_PTR          5
  60. #define ATOM_CT_PS_MASK         0x7F
  61. #define ATOM_CT_CODE_PTR        6
  62.  
  63. #define ATOM_OP_CNT             123
  64. #define ATOM_OP_EOT             91
  65.  
  66. #define ATOM_CASE_MAGIC         0x63
  67. #define ATOM_CASE_END           0x5A5A
  68.  
  69. #define ATOM_ARG_REG            0
  70. #define ATOM_ARG_PS             1
  71. #define ATOM_ARG_WS             2
  72. #define ATOM_ARG_FB             3
  73. #define ATOM_ARG_ID             4
  74. #define ATOM_ARG_IMM            5
  75. #define ATOM_ARG_PLL            6
  76. #define ATOM_ARG_MC             7
  77.  
  78. #define ATOM_SRC_DWORD          0
  79. #define ATOM_SRC_WORD0          1
  80. #define ATOM_SRC_WORD8          2
  81. #define ATOM_SRC_WORD16         3
  82. #define ATOM_SRC_BYTE0          4
  83. #define ATOM_SRC_BYTE8          5
  84. #define ATOM_SRC_BYTE16         6
  85. #define ATOM_SRC_BYTE24         7
  86.  
  87. #define ATOM_WS_QUOTIENT        0x40
  88. #define ATOM_WS_REMAINDER       0x41
  89. #define ATOM_WS_DATAPTR         0x42
  90. #define ATOM_WS_SHIFT           0x43
  91. #define ATOM_WS_OR_MASK         0x44
  92. #define ATOM_WS_AND_MASK        0x45
  93. #define ATOM_WS_FB_WINDOW       0x46
  94. #define ATOM_WS_ATTRIBUTES      0x47
  95. #define ATOM_WS_REGPTR          0x48
  96.  
  97. #define ATOM_IIO_NOP            0
  98. #define ATOM_IIO_START          1
  99. #define ATOM_IIO_READ           2
  100. #define ATOM_IIO_WRITE          3
  101. #define ATOM_IIO_CLEAR          4
  102. #define ATOM_IIO_SET            5
  103. #define ATOM_IIO_MOVE_INDEX     6
  104. #define ATOM_IIO_MOVE_ATTR      7
  105. #define ATOM_IIO_MOVE_DATA      8
  106. #define ATOM_IIO_END            9
  107.  
  108. #define ATOM_IO_MM              0
  109. #define ATOM_IO_PCI             1
  110. #define ATOM_IO_SYSIO           2
  111. #define ATOM_IO_IIO             0x80
  112.  
  113. struct card_info {
  114.         struct drm_device *dev;
  115.         void (* reg_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
  116.         uint32_t (* reg_read)(struct card_info *, uint32_t);          /*  filled by driver */
  117.         void (* ioreg_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
  118.         uint32_t (* ioreg_read)(struct card_info *, uint32_t);          /*  filled by driver */
  119.         void (* mc_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
  120.         uint32_t (* mc_read)(struct card_info *, uint32_t);          /*  filled by driver */
  121.         void (* pll_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
  122.         uint32_t (* pll_read)(struct card_info *, uint32_t);          /*  filled by driver */
  123. };
  124.  
  125. struct atom_context {
  126.         struct card_info *card;
  127.         struct mutex mutex;
  128.         struct mutex scratch_mutex;
  129.         void *bios;
  130.         uint32_t cmd_table, data_table;
  131.         uint16_t *iio;
  132.  
  133.         uint16_t data_block;
  134.         uint32_t fb_base;
  135.         uint32_t divmul[2];
  136.         uint16_t io_attr;
  137.         uint16_t reg_block;
  138.         uint8_t shift;
  139.         int cs_equal, cs_above;
  140.         int io_mode;
  141.         uint32_t *scratch;
  142.         int scratch_size_bytes;
  143. };
  144.  
  145. extern int atom_debug;
  146.  
  147. struct atom_context *atom_parse(struct card_info *, void *);
  148. int atom_execute_table(struct atom_context *, int, uint32_t *);
  149. int atom_execute_table_scratch_unlocked(struct atom_context *, int, uint32_t *);
  150. int atom_asic_init(struct atom_context *);
  151. void atom_destroy(struct atom_context *);
  152. bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
  153.                             uint8_t *frev, uint8_t *crev, uint16_t *data_start);
  154. bool atom_parse_cmd_header(struct atom_context *ctx, int index,
  155.                            uint8_t *frev, uint8_t *crev);
  156. int atom_allocate_fb_scratch(struct atom_context *ctx);
  157. #include "atom-types.h"
  158. #include "atombios.h"
  159. #include "ObjectID.h"
  160.  
  161. #endif
  162.