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 161