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 #ifndef ATOM_H 25 #define ATOM_H 26 27 28 #include "atombios.h" 29 #include "ObjectID.h" 30 31 #include <String.h> 32 #include <SupportDefs.h> 33 #include <ByteOrder.h> 34 35 36 struct card_info { 37 // Filled by driver 38 void (*reg_write)(uint32 offset, uint32 data); 39 uint32 (*reg_read)(uint32 offset); 40 void (*ioreg_write)(uint32 offset, uint32 data); 41 uint32 (*ioreg_read)(uint32 offset); 42 void (*mc_write)(uint32 offset, uint32 data); 43 uint32 (*mc_read)(uint32 offset); 44 void (*pll_write)(uint32 offset, uint32 data); 45 uint32 (*pll_read)(uint32 offset); 46 }; 47 48 49 #define ATOM_BIOS_MAGIC 0xAA55 50 #define ATOM_ATI_MAGIC_PTR 0x30 51 #define ATOM_ATI_MAGIC " 761295520" 52 #define ATOM_ROM_TABLE_PTR 0x48 53 54 #define ATOM_ROM_MAGIC "ATOM" 55 #define ATOM_ROM_MAGIC_PTR 4 56 57 #define ATOM_ROM_MSG_PTR 0x10 58 #define ATOM_ROM_CMD_PTR 0x1E 59 #define ATOM_ROM_DATA_PTR 0x20 60 61 #define ATOM_CMD_INIT 0 62 #define ATOM_CMD_SETSCLK 0x0A 63 #define ATOM_CMD_SETMCLK 0x0B 64 #define ATOM_CMD_SETPCLK 0x0C 65 66 #define ATOM_DATA_FWI_PTR 0xC 67 #define ATOM_DATA_IIO_PTR 0x32 68 69 #define ATOM_FWI_DEFSCLK_PTR 8 70 #define ATOM_FWI_DEFMCLK_PTR 0xC 71 #define ATOM_FWI_MAXSCLK_PTR 0x24 72 #define ATOM_FWI_MAXMCLK_PTR 0x28 73 74 #define ATOM_CT_SIZE_PTR 0 75 #define ATOM_CT_WS_PTR 4 76 #define ATOM_CT_PS_PTR 5 77 #define ATOM_CT_PS_MASK 0x7F 78 #define ATOM_CT_CODE_PTR 6 79 80 #define ATOM_OP_CNT 123 81 #define ATOM_OP_EOT 91 82 83 #define ATOM_CASE_MAGIC 0x63 84 #define ATOM_CASE_END 0x5A5A 85 86 #define ATOM_ARG_REG 0 87 #define ATOM_ARG_PS 1 88 #define ATOM_ARG_WS 2 89 #define ATOM_ARG_ID 4 90 #define ATOM_ARG_FB 3 91 #define ATOM_ARG_IMM 5 92 #define ATOM_ARG_PLL 6 93 #define ATOM_ARG_MC 7 94 95 #define ATOM_SRC_DWORD 0 96 #define ATOM_SRC_WORD0 1 97 #define ATOM_SRC_WORD8 2 98 #define ATOM_SRC_WORD16 3 99 #define ATOM_SRC_BYTE0 4 100 #define ATOM_SRC_BYTE8 5 101 #define ATOM_SRC_BYTE16 6 102 #define ATOM_SRC_BYTE24 7 103 104 #define ATOM_WS_QUOTIENT 0x40 105 #define ATOM_WS_REMAINDER 0x41 106 #define ATOM_WS_DATAPTR 0x42 107 #define ATOM_WS_SHIFT 0x43 108 #define ATOM_WS_OR_MASK 0x44 109 #define ATOM_WS_AND_MASK 0x45 110 #define ATOM_WS_FB_WINDOW 0x46 111 #define ATOM_WS_ATTRIBUTES 0x47 112 #define ATOM_WS_REGPTR 0x48 113 114 #define ATOM_IIO_NOP 0 115 #define ATOM_IIO_START 1 116 #define ATOM_IIO_READ 2 117 #define ATOM_IIO_WRITE 3 118 #define ATOM_IIO_CLEAR 4 119 #define ATOM_IIO_SET 5 120 #define ATOM_IIO_MOVE_INDEX 6 121 #define ATOM_IIO_MOVE_ATTR 7 122 #define ATOM_IIO_MOVE_DATA 8 123 #define ATOM_IIO_END 9 124 125 #define ATOM_IO_MM 0 126 #define ATOM_IO_PCI 1 127 #define ATOM_IO_SYSIO 2 128 #define ATOM_IO_IIO 0x80 129 130 typedef struct atom_context_s { 131 card_info *card; 132 uint8 *bios; 133 uint32 cmd_table, data_table; 134 uint16 *iio; 135 136 sem_id exec_sem; 137 uint16 data_block; 138 uint32 fb_base; 139 uint32 divmul[2]; 140 uint16 io_attr; 141 uint16 reg_block; 142 uint8 shift; 143 int cs_equal, cs_above; 144 int io_mode; 145 uint32 *scratch; 146 uint32 scratch_size_bytes; 147 } atom_context; 148 149 extern int atom_debug; 150 151 atom_context *atom_parse(card_info *card, uint8 *bios); 152 status_t atom_execute_table(atom_context *ctx, int index, uint32 *params); 153 status_t atom_parse_data_header(atom_context *ctx, int index, uint16 *size, 154 uint8 *frev, uint8 *crev, uint16 *data_start); 155 status_t atom_parse_cmd_header(atom_context *ctx, int index, uint8 * frev, 156 uint8 * crev); 157 status_t atom_asic_init(atom_context *); 158 void atom_destroy(atom_context *); 159 status_t atom_allocate_fb_scratch(atom_context *ctx); 160 161 162 #endif 163