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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
30struct drm_device;
31
32#define ATOM_BIOS_MAGIC 0xAA55
33#define ATOM_ATI_MAGIC_PTR 0x30
34#define ATOM_ATI_MAGIC " 761295520"
35#define ATOM_ROM_TABLE_PTR 0x48
36
37#define ATOM_ROM_MAGIC "ATOM"
38#define ATOM_ROM_MAGIC_PTR 4
39
40#define ATOM_ROM_CFG_PTR 0xC
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 127
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#define STRLEN_NORMAL 32
116#define STRLEN_LONG 64
117#define STRLEN_VERYLONG 254
118
119struct card_info {
120 struct drm_device *dev;
121 void (*reg_write)(struct card_info *info,
122 u32 reg, uint32_t val); /* filled by driver */
123 uint32_t (*reg_read)(struct card_info *info, uint32_t reg); /* filled by driver */
124 void (*mc_write)(struct card_info *info,
125 u32 reg, uint32_t val); /* filled by driver */
126 uint32_t (*mc_read)(struct card_info *info, uint32_t reg); /* filled by driver */
127 void (*pll_write)(struct card_info *info,
128 u32 reg, uint32_t val); /* filled by driver */
129 uint32_t (*pll_read)(struct card_info *info, uint32_t reg); /* filled by driver */
130};
131
132struct atom_context {
133 struct card_info *card;
134 struct mutex mutex;
135 void *bios;
136 uint32_t bios_size;
137 uint32_t cmd_table, data_table;
138 uint16_t *iio;
139
140 uint16_t data_block;
141 uint32_t fb_base;
142 uint32_t divmul[2];
143 uint16_t io_attr;
144 uint16_t reg_block;
145 uint8_t shift;
146 int cs_equal, cs_above;
147 int io_mode;
148 uint32_t *scratch;
149 int scratch_size_bytes;
150
151 uint8_t name[STRLEN_LONG];
152 uint8_t vbios_pn[STRLEN_LONG];
153 uint32_t version;
154 uint8_t vbios_ver_str[STRLEN_NORMAL];
155 uint8_t date[STRLEN_NORMAL];
156 uint8_t build_num[STRLEN_NORMAL];
157
158 /* Nesting depth for ATOM_OP_CALLTABLE */
159 unsigned int execute_depth;
160};
161
162extern int amdgpu_atom_debug;
163
164struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios, uint32_t bios_size);
165int amdgpu_atom_execute_table(struct atom_context *ctx, int index, uint32_t *params, int params_size);
166int amdgpu_atom_asic_init(struct atom_context *ctx);
167void amdgpu_atom_destroy(struct atom_context *ctx);
168bool amdgpu_atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
169 uint8_t *frev, uint8_t *crev, uint16_t *data_start);
170bool amdgpu_atom_parse_cmd_header(struct atom_context *ctx, int index,
171 uint8_t *frev, uint8_t *crev);
172#include "atom-types.h"
173#include "atombios.h"
174#include "ObjectID.h"
175
176#endif