2 * Copyright 2008 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Author: Stanislaw Skowronek
28 #include <linux/types.h>
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
37 #define ATOM_ROM_MAGIC "ATOM"
38 #define ATOM_ROM_MAGIC_PTR 4
40 #define ATOM_ROM_MSG_PTR 0x10
41 #define ATOM_ROM_CMD_PTR 0x1E
42 #define ATOM_ROM_DATA_PTR 0x20
44 #define ATOM_CMD_INIT 0
45 #define ATOM_CMD_SETSCLK 0x0A
46 #define ATOM_CMD_SETMCLK 0x0B
47 #define ATOM_CMD_SETPCLK 0x0C
48 #define ATOM_CMD_SPDFANCNTL 0x39
50 #define ATOM_DATA_FWI_PTR 0xC
51 #define ATOM_DATA_IIO_PTR 0x32
53 #define ATOM_FWI_DEFSCLK_PTR 8
54 #define ATOM_FWI_DEFMCLK_PTR 0xC
55 #define ATOM_FWI_MAXSCLK_PTR 0x24
56 #define ATOM_FWI_MAXMCLK_PTR 0x28
58 #define ATOM_CT_SIZE_PTR 0
59 #define ATOM_CT_WS_PTR 4
60 #define ATOM_CT_PS_PTR 5
61 #define ATOM_CT_PS_MASK 0x7F
62 #define ATOM_CT_CODE_PTR 6
64 #define ATOM_OP_CNT 127
65 #define ATOM_OP_EOT 91
67 #define ATOM_CASE_MAGIC 0x63
68 #define ATOM_CASE_END 0x5A5A
70 #define ATOM_ARG_REG 0
75 #define ATOM_ARG_IMM 5
76 #define ATOM_ARG_PLL 6
79 #define ATOM_SRC_DWORD 0
80 #define ATOM_SRC_WORD0 1
81 #define ATOM_SRC_WORD8 2
82 #define ATOM_SRC_WORD16 3
83 #define ATOM_SRC_BYTE0 4
84 #define ATOM_SRC_BYTE8 5
85 #define ATOM_SRC_BYTE16 6
86 #define ATOM_SRC_BYTE24 7
88 #define ATOM_WS_QUOTIENT 0x40
89 #define ATOM_WS_REMAINDER 0x41
90 #define ATOM_WS_DATAPTR 0x42
91 #define ATOM_WS_SHIFT 0x43
92 #define ATOM_WS_OR_MASK 0x44
93 #define ATOM_WS_AND_MASK 0x45
94 #define ATOM_WS_FB_WINDOW 0x46
95 #define ATOM_WS_ATTRIBUTES 0x47
96 #define ATOM_WS_REGPTR 0x48
98 #define ATOM_IIO_NOP 0
99 #define ATOM_IIO_START 1
100 #define ATOM_IIO_READ 2
101 #define ATOM_IIO_WRITE 3
102 #define ATOM_IIO_CLEAR 4
103 #define ATOM_IIO_SET 5
104 #define ATOM_IIO_MOVE_INDEX 6
105 #define ATOM_IIO_MOVE_ATTR 7
106 #define ATOM_IIO_MOVE_DATA 8
107 #define ATOM_IIO_END 9
110 #define ATOM_IO_PCI 1
111 #define ATOM_IO_SYSIO 2
112 #define ATOM_IO_IIO 0x80
114 #define STRLEN_NORMAL 32
115 #define STRLEN_LONG 64
116 #define STRLEN_VERYLONG 254
119 struct drm_device *dev;
120 void (*reg_write)(struct card_info *info,
121 u32 reg, uint32_t val); /* filled by driver */
122 uint32_t (*reg_read)(struct card_info *info, uint32_t reg); /* filled by driver */
123 void (*mc_write)(struct card_info *info,
124 u32 reg, uint32_t val); /* filled by driver */
125 uint32_t (*mc_read)(struct card_info *info, uint32_t reg); /* filled by driver */
126 void (*pll_write)(struct card_info *info,
127 u32 reg, uint32_t val); /* filled by driver */
128 uint32_t (*pll_read)(struct card_info *info, uint32_t reg); /* filled by driver */
131 struct atom_context {
132 struct card_info *card;
135 uint32_t cmd_table, data_table;
144 int cs_equal, cs_above;
147 int scratch_size_bytes;
149 uint8_t name[STRLEN_LONG];
150 uint8_t vbios_pn[STRLEN_LONG];
152 uint8_t vbios_ver_str[STRLEN_NORMAL];
153 uint8_t date[STRLEN_NORMAL];
156 extern int amdgpu_atom_debug;
158 struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios);
159 int amdgpu_atom_execute_table(struct atom_context *ctx, int index, uint32_t *params);
160 int amdgpu_atom_asic_init(struct atom_context *ctx);
161 void amdgpu_atom_destroy(struct atom_context *ctx);
162 bool amdgpu_atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
163 uint8_t *frev, uint8_t *crev, uint16_t *data_start);
164 bool amdgpu_atom_parse_cmd_header(struct atom_context *ctx, int index,
165 uint8_t *frev, uint8_t *crev);
166 #include "atom-types.h"
167 #include "atombios.h"
168 #include "ObjectID.h"