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 #include <drm/drmP.h> 30 31 #define ATOM_BIOS_MAGIC 0xAA55 32 #define ATOM_ATI_MAGIC_PTR 0x30 33 #define ATOM_ATI_MAGIC " 761295520" 34 #define ATOM_ROM_TABLE_PTR 0x48 35 36 #define ATOM_ROM_MAGIC "ATOM" 37 #define ATOM_ROM_MAGIC_PTR 4 38 39 #define ATOM_ROM_MSG_PTR 0x10 40 #define ATOM_ROM_CMD_PTR 0x1E 41 #define ATOM_ROM_DATA_PTR 0x20 42 43 #define ATOM_CMD_INIT 0 44 #define ATOM_CMD_SETSCLK 0x0A 45 #define ATOM_CMD_SETMCLK 0x0B 46 #define ATOM_CMD_SETPCLK 0x0C 47 #define ATOM_CMD_SPDFANCNTL 0x39 48 49 #define ATOM_DATA_FWI_PTR 0xC 50 #define ATOM_DATA_IIO_PTR 0x32 51 52 #define ATOM_FWI_DEFSCLK_PTR 8 53 #define ATOM_FWI_DEFMCLK_PTR 0xC 54 #define ATOM_FWI_MAXSCLK_PTR 0x24 55 #define ATOM_FWI_MAXMCLK_PTR 0x28 56 57 #define ATOM_CT_SIZE_PTR 0 58 #define ATOM_CT_WS_PTR 4 59 #define ATOM_CT_PS_PTR 5 60 #define ATOM_CT_PS_MASK 0x7F 61 #define ATOM_CT_CODE_PTR 6 62 63 #define ATOM_OP_CNT 123 64 #define ATOM_OP_EOT 91 65 66 #define ATOM_CASE_MAGIC 0x63 67 #define ATOM_CASE_END 0x5A5A 68 69 #define ATOM_ARG_REG 0 70 #define ATOM_ARG_PS 1 71 #define ATOM_ARG_WS 2 72 #define ATOM_ARG_FB 3 73 #define ATOM_ARG_ID 4 74 #define ATOM_ARG_IMM 5 75 #define ATOM_ARG_PLL 6 76 #define ATOM_ARG_MC 7 77 78 #define ATOM_SRC_DWORD 0 79 #define ATOM_SRC_WORD0 1 80 #define ATOM_SRC_WORD8 2 81 #define ATOM_SRC_WORD16 3 82 #define ATOM_SRC_BYTE0 4 83 #define ATOM_SRC_BYTE8 5 84 #define ATOM_SRC_BYTE16 6 85 #define ATOM_SRC_BYTE24 7 86 87 #define ATOM_WS_QUOTIENT 0x40 88 #define ATOM_WS_REMAINDER 0x41 89 #define ATOM_WS_DATAPTR 0x42 90 #define ATOM_WS_SHIFT 0x43 91 #define ATOM_WS_OR_MASK 0x44 92 #define ATOM_WS_AND_MASK 0x45 93 #define ATOM_WS_FB_WINDOW 0x46 94 #define ATOM_WS_ATTRIBUTES 0x47 95 #define ATOM_WS_REGPTR 0x48 96 97 #define ATOM_IIO_NOP 0 98 #define ATOM_IIO_START 1 99 #define ATOM_IIO_READ 2 100 #define ATOM_IIO_WRITE 3 101 #define ATOM_IIO_CLEAR 4 102 #define ATOM_IIO_SET 5 103 #define ATOM_IIO_MOVE_INDEX 6 104 #define ATOM_IIO_MOVE_ATTR 7 105 #define ATOM_IIO_MOVE_DATA 8 106 #define ATOM_IIO_END 9 107 108 #define ATOM_IO_MM 0 109 #define ATOM_IO_PCI 1 110 #define ATOM_IO_SYSIO 2 111 #define ATOM_IO_IIO 0x80 112 113 struct card_info { 114 struct drm_device *dev; 115 void (* reg_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */ 116 uint32_t (* reg_read)(struct card_info *, uint32_t); /* filled by driver */ 117 void (* ioreg_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */ 118 uint32_t (* ioreg_read)(struct card_info *, uint32_t); /* filled by driver */ 119 void (* mc_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */ 120 uint32_t (* mc_read)(struct card_info *, uint32_t); /* filled by driver */ 121 void (* pll_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */ 122 uint32_t (* pll_read)(struct card_info *, uint32_t); /* filled by driver */ 123 }; 124 125 struct atom_context { 126 struct card_info *card; 127 struct lock mutex; 128 struct lock scratch_mutex; 129 void *bios; 130 uint32_t cmd_table, data_table; 131 uint16_t *iio; 132 133 uint16_t data_block; 134 uint32_t fb_base; 135 uint32_t divmul[2]; 136 uint16_t io_attr; 137 uint16_t reg_block; 138 uint8_t shift; 139 int cs_equal, cs_above; 140 int io_mode; 141 uint32_t *scratch; 142 int scratch_size_bytes; 143 }; 144 145 extern int atom_debug; 146 147 struct atom_context *atom_parse(struct card_info *, void *); 148 int atom_execute_table(struct atom_context *, int, uint32_t *); 149 int atom_execute_table_scratch_unlocked(struct atom_context *, int, uint32_t *); 150 int atom_asic_init(struct atom_context *); 151 void atom_destroy(struct atom_context *); 152 bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size, 153 uint8_t *frev, uint8_t *crev, uint16_t *data_start); 154 bool atom_parse_cmd_header(struct atom_context *ctx, int index, 155 uint8_t *frev, uint8_t *crev); 156 int atom_allocate_fb_scratch(struct atom_context *ctx); 157 #include "atom-types.h" 158 #include "atombios.h" 159 #include "ObjectID.h" 160 161 #endif 162