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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 | #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 | ||
c2fe16aa | 63 | #define ATOM_OP_CNT 127 |
d38ceaf9 AD |
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 | |
edf600da | 95 | #define ATOM_WS_REGPTR 0x48 |
d38ceaf9 AD |
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 mutex 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 amdgpu_atom_debug; | |
145 | ||
146 | struct atom_context *amdgpu_atom_parse(struct card_info *, void *); | |
147 | int amdgpu_atom_execute_table(struct atom_context *, int, uint32_t *); | |
148 | int amdgpu_atom_asic_init(struct atom_context *); | |
149 | void amdgpu_atom_destroy(struct atom_context *); | |
150 | bool amdgpu_atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size, | |
151 | uint8_t *frev, uint8_t *crev, uint16_t *data_start); | |
152 | bool amdgpu_atom_parse_cmd_header(struct atom_context *ctx, int index, | |
153 | uint8_t *frev, uint8_t *crev); | |
154 | int amdgpu_atom_allocate_fb_scratch(struct atom_context *ctx); | |
155 | #include "atom-types.h" | |
156 | #include "atombios.h" | |
157 | #include "ObjectID.h" | |
158 | ||
159 | #endif |