drivers/gpu/drm/amd/amdgpu/atom.h

   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             127
  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         void *bios;
 129         uint32_t cmd_table, data_table;
 130         uint16_t *iio;
 131
 132         uint16_t data_block;
 133         uint32_t fb_base;
 134         uint32_t divmul[2];
 135         uint16_t io_attr;
 136         uint16_t reg_block;
 137         uint8_t shift;
 138         int cs_equal, cs_above;
 139         int io_mode;
 140         uint32_t *scratch;
 141         int scratch_size_bytes;
 142 };
 143
 144 extern int amdgpu_atom_debug;
 145
 146 struct atom_context *amdgpu_atom_parse(struct card_info *, void *);
 147 int amdgpu_atom_execute_table(struct atom_context *, int, uint32_t *);
 148 int amdgpu_atom_asic_init(struct atom_context *);
 149 void amdgpu_atom_destroy(struct atom_context *);
 150 bool amdgpu_atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
 151                             uint8_t *frev, uint8_t *crev, uint16_t *data_start);
 152 bool amdgpu_atom_parse_cmd_header(struct atom_context *ctx, int index,
 153                            uint8_t *frev, uint8_t *crev);
 154 int amdgpu_atom_allocate_fb_scratch(struct atom_context *ctx);
 155 #include "atom-types.h"
 156 #include "atombios.h"
 157 #include "ObjectID.h"
 158
 159 #endif