LXR linux/drivers/gpu/drm/radeon/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
  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
 112struct 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
 124struct 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
 144extern int atom_debug;
 145
 146struct atom_context *atom_parse(struct card_info *, void *);
 147int atom_execute_table(struct atom_context *, int, uint32_t *);
 148int atom_execute_table_scratch_unlocked(struct atom_context *, int, uint32_t *);
 149int atom_asic_init(struct atom_context *);
 150void atom_destroy(struct atom_context *);
 151bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
 152                            uint8_t *frev, uint8_t *crev, uint16_t *data_start);
 153bool atom_parse_cmd_header(struct atom_context *ctx, int index,
 154                           uint8_t *frev, uint8_t *crev);
 155int atom_allocate_fb_scratch(struct atom_context *ctx);
 156#include "atom-types.h"
 157#include "atombios.h"
 158#include "ObjectID.h"
 159
 160#endif
 161