drivers/gpu/drm/radeon/atom.h

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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 
  30 #define ATOM_BIOS_MAGIC         0xAA55
  31 #define ATOM_ATI_MAGIC_PTR      0x30
  32 #define ATOM_ATI_MAGIC          " 761295520"
  33 #define ATOM_ROM_TABLE_PTR      0x48
  34 
  35 #define ATOM_ROM_MAGIC          "ATOM"
  36 #define ATOM_ROM_MAGIC_PTR      4
  37 
  38 #define ATOM_ROM_MSG_PTR        0x10
  39 #define ATOM_ROM_CMD_PTR        0x1E
  40 #define ATOM_ROM_DATA_PTR       0x20
  41 
  42 #define ATOM_CMD_INIT           0
  43 #define ATOM_CMD_SETSCLK        0x0A
  44 #define ATOM_CMD_SETMCLK        0x0B
  45 #define ATOM_CMD_SETPCLK        0x0C
  46 #define ATOM_CMD_SPDFANCNTL     0x39
  47 
  48 #define ATOM_DATA_FWI_PTR       0xC
  49 #define ATOM_DATA_IIO_PTR       0x32
  50 
  51 #define ATOM_FWI_DEFSCLK_PTR    8
  52 #define ATOM_FWI_DEFMCLK_PTR    0xC
  53 #define ATOM_FWI_MAXSCLK_PTR    0x24
  54 #define ATOM_FWI_MAXMCLK_PTR    0x28
  55 
  56 #define ATOM_CT_SIZE_PTR        0
  57 #define ATOM_CT_WS_PTR          4
  58 #define ATOM_CT_PS_PTR          5
  59 #define ATOM_CT_PS_MASK         0x7F
  60 #define ATOM_CT_CODE_PTR        6
  61 
  62 #define ATOM_OP_CNT             123
  63 #define ATOM_OP_EOT             91
  64 
  65 #define ATOM_CASE_MAGIC         0x63
  66 #define ATOM_CASE_END           0x5A5A
  67 
  68 #define ATOM_ARG_REG            0
  69 #define ATOM_ARG_PS             1
  70 #define ATOM_ARG_WS             2
  71 #define ATOM_ARG_FB             3
  72 #define ATOM_ARG_ID             4
  73 #define ATOM_ARG_IMM            5
  74 #define ATOM_ARG_PLL            6
  75 #define ATOM_ARG_MC             7
  76 
  77 #define ATOM_SRC_DWORD          0
  78 #define ATOM_SRC_WORD0          1
  79 #define ATOM_SRC_WORD8          2
  80 #define ATOM_SRC_WORD16         3
  81 #define ATOM_SRC_BYTE0          4
  82 #define ATOM_SRC_BYTE8          5
  83 #define ATOM_SRC_BYTE16         6
  84 #define ATOM_SRC_BYTE24         7
  85 
  86 #define ATOM_WS_QUOTIENT        0x40
  87 #define ATOM_WS_REMAINDER       0x41
  88 #define ATOM_WS_DATAPTR         0x42
  89 #define ATOM_WS_SHIFT           0x43
  90 #define ATOM_WS_OR_MASK         0x44
  91 #define ATOM_WS_AND_MASK        0x45
  92 #define ATOM_WS_FB_WINDOW       0x46
  93 #define ATOM_WS_ATTRIBUTES      0x47
  94 #define ATOM_WS_REGPTR          0x48
  95 
  96 #define ATOM_IIO_NOP            0
  97 #define ATOM_IIO_START          1
  98 #define ATOM_IIO_READ           2
  99 #define ATOM_IIO_WRITE          3
 100 #define ATOM_IIO_CLEAR          4
 101 #define ATOM_IIO_SET            5
 102 #define ATOM_IIO_MOVE_INDEX     6
 103 #define ATOM_IIO_MOVE_ATTR      7
 104 #define ATOM_IIO_MOVE_DATA      8
 105 #define ATOM_IIO_END            9
 106 
 107 #define ATOM_IO_MM              0
 108 #define ATOM_IO_PCI             1
 109 #define ATOM_IO_SYSIO           2
 110 #define ATOM_IO_IIO             0x80
 111 
 112 struct card_info {
 113         struct drm_device *dev;
 114         void (* reg_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
 115         uint32_t (* reg_read)(struct card_info *, uint32_t);          /*  filled by driver */
 116         void (* ioreg_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
 117         uint32_t (* ioreg_read)(struct card_info *, uint32_t);          /*  filled by driver */
 118         void (* mc_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
 119         uint32_t (* mc_read)(struct card_info *, uint32_t);          /*  filled by driver */
 120         void (* pll_write)(struct card_info *, uint32_t, uint32_t);   /*  filled by driver */
 121         uint32_t (* pll_read)(struct card_info *, uint32_t);          /*  filled by driver */
 122 };
 123 
 124 struct atom_context {
 125         struct card_info *card;
 126         struct mutex mutex;
 127         struct mutex scratch_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 atom_debug;
 145 
 146 struct atom_context *atom_parse(struct card_info *, void *);
 147 int atom_execute_table(struct atom_context *, int, uint32_t *);
 148 int atom_execute_table_scratch_unlocked(struct atom_context *, int, uint32_t *);
 149 int atom_asic_init(struct atom_context *);
 150 void atom_destroy(struct atom_context *);
 151 bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
 152                             uint8_t *frev, uint8_t *crev, uint16_t *data_start);
 153 bool atom_parse_cmd_header(struct atom_context *ctx, int index,
 154                            uint8_t *frev, uint8_t *crev);
 155 int atom_allocate_fb_scratch(struct atom_context *ctx);
 156 #include "atom-types.h"
 157 #include "atombios.h"
 158 #include "ObjectID.h"
 159 
 160 #endif
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root/drivers/gpu/drm/radeon/atom.h

INCLUDED FROM
