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atom.h

/*
 * Copyright 2008 Advanced Micro Devices, Inc.  
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Author: Stanislaw Skowronek
 */

#ifndef ATOM_H
#define ATOM_H

#ifdef __KERNEL
#include <linux/types.h>
#include "drmP.h"
#else
#include "kernel-compat.h"
#endif


#define ATOM_BIOS_MAGIC       0xAA55
#define ATOM_ATI_MAGIC_PTR    0x30
#define ATOM_ATI_MAGIC        " 761295520"
#define ATOM_ROM_TABLE_PTR    0x48

#define ATOM_ROM_MAGIC        "ATOM"
#define ATOM_ROM_MAGIC_PTR    4

#define ATOM_ROM_MSG_PTR      0x10
#define ATOM_ROM_CMD_PTR      0x1E
#define ATOM_ROM_DATA_PTR     0x20

#define ATOM_CMD_INIT         0
#define ATOM_CMD_SETSCLK      0x0A
#define ATOM_CMD_SETMCLK      0x0B
#define ATOM_CMD_SETPCLK      0x0C

#define ATOM_DATA_FWI_PTR     0xC
#define ATOM_DATA_IIO_PTR     0x32

#define ATOM_FWI_DEFSCLK_PTR  8
#define ATOM_FWI_DEFMCLK_PTR  0xC
#define ATOM_FWI_MAXSCLK_PTR  0x24
#define ATOM_FWI_MAXMCLK_PTR  0x28

#define ATOM_CT_SIZE_PTR      0
#define ATOM_CT_WS_PTR        4
#define ATOM_CT_PS_PTR        5
#define ATOM_CT_PS_MASK       0x7F
#define ATOM_CT_CODE_PTR      6

#define ATOM_OP_CNT           123
#define ATOM_OP_EOT           91

#define ATOM_CASE_MAGIC       0x63
#define ATOM_CASE_END         0x5A5A

#define ATOM_ARG_REG          0
#define ATOM_ARG_PS           1
#define ATOM_ARG_WS           2
#define ATOM_ARG_ID           4
#define ATOM_ARG_FB           3
#define ATOM_ARG_IMM          5
#define ATOM_ARG_PLL          6
#define ATOM_ARG_MC           7

#define ATOM_SRC_DWORD        0
#define ATOM_SRC_WORD0        1
#define ATOM_SRC_WORD8        2
#define ATOM_SRC_WORD16       3
#define ATOM_SRC_BYTE0        4
#define ATOM_SRC_BYTE8        5
#define ATOM_SRC_BYTE16       6
#define ATOM_SRC_BYTE24       7

#define ATOM_WS_QUOTIENT      0x40
#define ATOM_WS_REMAINDER     0x41
#define ATOM_WS_DATAPTR       0x42
#define ATOM_WS_SHIFT         0x43
#define ATOM_WS_OR_MASK       0x44
#define ATOM_WS_AND_MASK      0x45
#define ATOM_WS_FB_WINDOW     0x46
#define ATOM_WS_ATTRIBUTES    0x47

#define ATOM_IIO_NOP          0
#define ATOM_IIO_START        1
#define ATOM_IIO_READ         2
#define ATOM_IIO_WRITE        3
#define ATOM_IIO_CLEAR        4
#define ATOM_IIO_SET          5
#define ATOM_IIO_MOVE_INDEX   6
#define ATOM_IIO_MOVE_ATTR    7
#define ATOM_IIO_MOVE_DATA    8
#define ATOM_IIO_END          9

#define ATOM_IO_MM            0
#define ATOM_IO_PCI           1
#define ATOM_IO_SYSIO         2
#define ATOM_IO_IIO           0x80

struct card_info {
#ifdef __KERNEL__
      struct drm_device *dev;
#endif
      void (* reg_write)(struct card_info *, uint32_t, uint32_t);   // filled by driver
        uint32_t (* reg_read)(struct card_info *, uint32_t);          // filled by driver
      void (* mc_write)(struct card_info *, uint32_t, uint32_t);   // filled by driver
        uint32_t (* mc_read)(struct card_info *, uint32_t);          // filled by driver
//        int (* read_rom)(struct card_info *, uint8_t *);      // filled by driver
};

struct atom_context {
      struct card_info *card;
      void *bios;
      uint32_t cmd_table, data_table;
      uint16_t *iio;

      uint16_t data_block;
      uint32_t fb_base;
      uint32_t divmul[2];
      uint16_t io_attr;
      uint16_t reg_block;
      uint8_t shift;
      int cs_equal, cs_above;
      int io_mode;
      uint8_t *atom_fb_scratch;
};

extern int atom_debug;

struct atom_context *atom_parse(struct card_info *, void *);
void atom_execute_table(struct atom_context *, int, uint32_t *);
int atom_asic_init(struct atom_context *);
void atom_destroy(struct atom_context *);
void atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size, uint8_t *frev, uint8_t *crev, uint16_t *data_start);
void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t *frev, uint8_t *crev);
#include "atom-types.h"
#include "atombios.h"
#include "ObjectID.h"

#endif

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