1 /* $NetBSD: atom.h,v 1.4 2021/12/18 23:45:42 riastradh Exp $ */ 2 3 /* 4 * Copyright 2008 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Author: Stanislaw Skowronek 25 */ 26 27 #ifndef ATOM_H 28 #define ATOM_H 29 30 #include <linux/mutex.h> 31 #include <linux/types.h> 32 33 #define ATOM_BIOS_MAGIC 0xAA55 34 #define ATOM_ATI_MAGIC_PTR 0x30 35 #define ATOM_ATI_MAGIC " 761295520" 36 #define ATOM_ROM_TABLE_PTR 0x48 37 38 #define ATOM_ROM_MAGIC "ATOM" 39 #define ATOM_ROM_MAGIC_PTR 4 40 41 #define ATOM_ROM_MSG_PTR 0x10 42 #define ATOM_ROM_CMD_PTR 0x1E 43 #define ATOM_ROM_DATA_PTR 0x20 44 45 #define ATOM_CMD_INIT 0 46 #define ATOM_CMD_SETSCLK 0x0A 47 #define ATOM_CMD_SETMCLK 0x0B 48 #define ATOM_CMD_SETPCLK 0x0C 49 #define ATOM_CMD_SPDFANCNTL 0x39 50 51 #define ATOM_DATA_FWI_PTR 0xC 52 #define ATOM_DATA_IIO_PTR 0x32 53 54 #define ATOM_FWI_DEFSCLK_PTR 8 55 #define ATOM_FWI_DEFMCLK_PTR 0xC 56 #define ATOM_FWI_MAXSCLK_PTR 0x24 57 #define ATOM_FWI_MAXMCLK_PTR 0x28 58 59 #define ATOM_CT_SIZE_PTR 0 60 #define ATOM_CT_WS_PTR 4 61 #define ATOM_CT_PS_PTR 5 62 #define ATOM_CT_PS_MASK 0x7F 63 #define ATOM_CT_CODE_PTR 6 64 65 #define ATOM_OP_CNT 123 66 #define ATOM_OP_EOT 91 67 68 #define ATOM_CASE_MAGIC 0x63 69 #define ATOM_CASE_END 0x5A5A 70 71 #define ATOM_ARG_REG 0 72 #define ATOM_ARG_PS 1 73 #define ATOM_ARG_WS 2 74 #define ATOM_ARG_FB 3 75 #define ATOM_ARG_ID 4 76 #define ATOM_ARG_IMM 5 77 #define ATOM_ARG_PLL 6 78 #define ATOM_ARG_MC 7 79 80 #define ATOM_SRC_DWORD 0 81 #define ATOM_SRC_WORD0 1 82 #define ATOM_SRC_WORD8 2 83 #define ATOM_SRC_WORD16 3 84 #define ATOM_SRC_BYTE0 4 85 #define ATOM_SRC_BYTE8 5 86 #define ATOM_SRC_BYTE16 6 87 #define ATOM_SRC_BYTE24 7 88 89 #define ATOM_WS_QUOTIENT 0x40 90 #define ATOM_WS_REMAINDER 0x41 91 #define ATOM_WS_DATAPTR 0x42 92 #define ATOM_WS_SHIFT 0x43 93 #define ATOM_WS_OR_MASK 0x44 94 #define ATOM_WS_AND_MASK 0x45 95 #define ATOM_WS_FB_WINDOW 0x46 96 #define ATOM_WS_ATTRIBUTES 0x47 97 #define ATOM_WS_REGPTR 0x48 98 99 #define ATOM_IIO_NOP 0 100 #define ATOM_IIO_START 1 101 #define ATOM_IIO_READ 2 102 #define ATOM_IIO_WRITE 3 103 #define ATOM_IIO_CLEAR 4 104 #define ATOM_IIO_SET 5 105 #define ATOM_IIO_MOVE_INDEX 6 106 #define ATOM_IIO_MOVE_ATTR 7 107 #define ATOM_IIO_MOVE_DATA 8 108 #define ATOM_IIO_END 9 109 110 #define ATOM_IO_MM 0 111 #define ATOM_IO_PCI 1 112 #define ATOM_IO_SYSIO 2 113 #define ATOM_IO_IIO 0x80 114 115 struct card_info { 116 struct drm_device *dev; 117 void (* reg_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */ 118 uint32_t (* reg_read)(struct card_info *, uint32_t); /* filled by driver */ 119 void (* ioreg_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */ 120 uint32_t (* ioreg_read)(struct card_info *, uint32_t); /* filled by driver */ 121 void (* mc_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */ 122 uint32_t (* mc_read)(struct card_info *, uint32_t); /* filled by driver */ 123 void (* pll_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */ 124 uint32_t (* pll_read)(struct card_info *, uint32_t); /* filled by driver */ 125 }; 126 127 struct atom_context { 128 struct card_info *card; 129 struct mutex mutex; 130 struct mutex scratch_mutex; 131 uint8_t *bios; 132 uint32_t cmd_table, data_table; 133 uint16_t *iio; 134 135 uint16_t data_block; 136 uint32_t fb_base; 137 uint32_t divmul[2]; 138 uint16_t io_attr; 139 uint16_t reg_block; 140 uint8_t shift; 141 int cs_equal, cs_above; 142 int io_mode; 143 uint32_t *scratch; 144 int scratch_size_bytes; 145 }; 146 147 extern int atom_debug; 148 149 struct atom_context *atom_parse(struct card_info *, void *); 150 int atom_execute_table(struct atom_context *, int, uint32_t *); 151 int atom_execute_table_scratch_unlocked(struct atom_context *, int, uint32_t *); 152 int atom_asic_init(struct atom_context *); 153 void atom_destroy(struct atom_context *); 154 bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size, 155 uint8_t *frev, uint8_t *crev, uint16_t *data_start); 156 bool atom_parse_cmd_header(struct atom_context *ctx, int index, 157 uint8_t *frev, uint8_t *crev); 158 int atom_allocate_fb_scratch(struct atom_context *ctx); 159 #include "atom-types.h" 160 #include "atombios.h" 161 #include "ObjectID.h" 162 163 #endif 164