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 <ByteOrder.h> 32#include <kernel/OS.h> 33#include <String.h> 34#include <SupportDefs.h> 35 36 37struct card_info { 38 // Filled by driver 39 void (*reg_write)(uint32 offset, uint32 data); 40 uint32 (*reg_read)(uint32 offset); 41 void (*ioreg_write)(uint32 offset, uint32 data); 42 uint32 (*ioreg_read)(uint32 offset); 43 void (*mc_write)(uint32 offset, uint32 data); 44 uint32 (*mc_read)(uint32 offset); 45 void (*pll_write)(uint32 offset, uint32 data); 46 uint32 (*pll_read)(uint32 offset); 47}; 48 49 50#define ATOM_BIOS_MAGIC 0xAA55 51#define ATOM_ATI_MAGIC_PTR 0x30 52#define ATOM_ATI_MAGIC " 761295520" 53#define ATOM_ROM_TABLE_PTR 0x48 54 55#define ATOM_ROM_MAGIC "ATOM" 56#define ATOM_ROM_MAGIC_PTR 4 57 58#define ATOM_ROM_MSG_PTR 0x10 59#define ATOM_ROM_CMD_PTR 0x1E 60#define ATOM_ROM_DATA_PTR 0x20 61 62#define ATOM_CMD_INIT 0 63#define ATOM_CMD_SETSCLK 0x0A 64#define ATOM_CMD_SETMCLK 0x0B 65#define ATOM_CMD_SETPCLK 0x0C 66 67#define ATOM_DATA_FWI_PTR 0xC 68#define ATOM_DATA_IIO_PTR 0x32 69 70#define ATOM_FWI_DEFSCLK_PTR 8 71#define ATOM_FWI_DEFMCLK_PTR 0xC 72#define ATOM_FWI_MAXSCLK_PTR 0x24 73#define ATOM_FWI_MAXMCLK_PTR 0x28 74 75#define ATOM_CT_SIZE_PTR 0 76#define ATOM_CT_WS_PTR 4 77#define ATOM_CT_PS_PTR 5 78#define ATOM_CT_PS_MASK 0x7F 79#define ATOM_CT_CODE_PTR 6 80 81#define ATOM_OP_CNT 123 82#define ATOM_OP_EOT 91 83 84#define ATOM_CASE_MAGIC 0x63 85#define ATOM_CASE_END 0x5A5A 86 87#define ATOM_ARG_REG 0 88#define ATOM_ARG_PS 1 89#define ATOM_ARG_WS 2 90#define ATOM_ARG_ID 4 91#define ATOM_ARG_FB 3 92#define ATOM_ARG_IMM 5 93#define ATOM_ARG_PLL 6 94#define ATOM_ARG_MC 7 95 96#define ATOM_SRC_DWORD 0 97#define ATOM_SRC_WORD0 1 98#define ATOM_SRC_WORD8 2 99#define ATOM_SRC_WORD16 3 100#define ATOM_SRC_BYTE0 4 101#define ATOM_SRC_BYTE8 5 102#define ATOM_SRC_BYTE16 6 103#define ATOM_SRC_BYTE24 7 104 105#define ATOM_WS_QUOTIENT 0x40 106#define ATOM_WS_REMAINDER 0x41 107#define ATOM_WS_DATAPTR 0x42 108#define ATOM_WS_SHIFT 0x43 109#define ATOM_WS_OR_MASK 0x44 110#define ATOM_WS_AND_MASK 0x45 111#define ATOM_WS_FB_WINDOW 0x46 112#define ATOM_WS_ATTRIBUTES 0x47 113#define ATOM_WS_REGPTR 0x48 114 115#define ATOM_IIO_NOP 0 116#define ATOM_IIO_START 1 117#define ATOM_IIO_READ 2 118#define ATOM_IIO_WRITE 3 119#define ATOM_IIO_CLEAR 4 120#define ATOM_IIO_SET 5 121#define ATOM_IIO_MOVE_INDEX 6 122#define ATOM_IIO_MOVE_ATTR 7 123#define ATOM_IIO_MOVE_DATA 8 124#define ATOM_IIO_END 9 125 126#define ATOM_IO_MM 0 127#define ATOM_IO_PCI 1 128#define ATOM_IO_SYSIO 2 129#define ATOM_IO_IIO 0x80 130 131typedef struct atom_context_s { 132 card_info *card; 133 uint8 *bios; 134 uint32 cmd_table, data_table; 135 uint16 *iio; 136 137 sem_id exec_sem; 138 uint16 data_block; 139 uint32 fb_base; 140 uint32 divmul[2]; 141 uint16 io_attr; 142 uint16 reg_block; 143 uint8 shift; 144 int cs_equal, cs_above; 145 int io_mode; 146 uint32 *scratch; 147 uint32 scratch_size_bytes; 148} atom_context; 149 150extern int atom_debug; 151 152atom_context *atom_parse(card_info *card, uint8 *bios); 153status_t atom_execute_table(atom_context *ctx, int index, uint32 *params); 154status_t atom_parse_data_header(atom_context *ctx, int index, uint16 *size, 155 uint8 *frev, uint8 *crev, uint16 *data_start); 156status_t atom_parse_cmd_header(atom_context *ctx, int index, uint8 * frev, 157 uint8 * crev); 158status_t atom_asic_init(atom_context *); 159void atom_destroy(atom_context *); 160status_t atom_allocate_fb_scratch(atom_context *ctx); 161 162 163#endif 164