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 "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
48 #define ATOM_DATA_FWI_PTR 0xC
49 #define ATOM_DATA_IIO_PTR 0x32
50
51 #define ATOM_FWI_DEFSCLK_PTR 8
52 #define ATOM_FWI_DEFMCLK_PTR 0xC
53 #define ATOM_FWI_MAXSCLK_PTR 0x24
54 #define ATOM_FWI_MAXMCLK_PTR 0x28
55
56 #define ATOM_CT_SIZE_PTR 0
57 #define ATOM_CT_WS_PTR 4
58 #define ATOM_CT_PS_PTR 5
59 #define ATOM_CT_PS_MASK 0x7F
60 #define ATOM_CT_CODE_PTR 6
61
62 #define ATOM_OP_CNT 123
63 #define ATOM_OP_EOT 91
64
65 #define ATOM_CASE_MAGIC 0x63
66 #define ATOM_CASE_END 0x5A5A
67
68 #define ATOM_ARG_REG 0
69 #define ATOM_ARG_PS 1
70 #define ATOM_ARG_WS 2
71 #define ATOM_ARG_FB 3
72 #define ATOM_ARG_ID 4
73 #define ATOM_ARG_IMM 5
74 #define ATOM_ARG_PLL 6
75 #define ATOM_ARG_MC 7
76
77 #define ATOM_SRC_DWORD 0
78 #define ATOM_SRC_WORD0 1
79 #define ATOM_SRC_WORD8 2
80 #define ATOM_SRC_WORD16 3
81 #define ATOM_SRC_BYTE0 4
82 #define ATOM_SRC_BYTE8 5
83 #define ATOM_SRC_BYTE16 6
84 #define ATOM_SRC_BYTE24 7
85
86 #define ATOM_WS_QUOTIENT 0x40
87 #define ATOM_WS_REMAINDER 0x41
88 #define ATOM_WS_DATAPTR 0x42
89 #define ATOM_WS_SHIFT 0x43
90 #define ATOM_WS_OR_MASK 0x44
91 #define ATOM_WS_AND_MASK 0x45
92 #define ATOM_WS_FB_WINDOW 0x46
93 #define ATOM_WS_ATTRIBUTES 0x47
94
95 #define ATOM_IIO_NOP 0
96 #define ATOM_IIO_START 1
97 #define ATOM_IIO_READ 2
98 #define ATOM_IIO_WRITE 3
99 #define ATOM_IIO_CLEAR 4
100 #define ATOM_IIO_SET 5
101 #define ATOM_IIO_MOVE_INDEX 6
102 #define ATOM_IIO_MOVE_ATTR 7
103 #define ATOM_IIO_MOVE_DATA 8
104 #define ATOM_IIO_END 9
105
106 #define ATOM_IO_MM 0
107 #define ATOM_IO_PCI 1
108 #define ATOM_IO_SYSIO 2
109 #define ATOM_IO_IIO 0x80
110
111 struct card_info {
112 struct drm_device *dev;
113 void (* reg_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */
114 uint32_t (* reg_read)(struct card_info *, uint32_t); /* filled by driver */
115 void (* mc_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */
116 uint32_t (* mc_read)(struct card_info *, uint32_t); /* filled by driver */
117 void (* pll_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */
118 uint32_t (* pll_read)(struct card_info *, uint32_t); /* filled by driver */
119 };
120
121 struct atom_context {
122 struct card_info *card;
123 void *bios;
124 uint32_t cmd_table, data_table;
125 uint16_t *iio;
126
127 uint16_t data_block;
128 uint32_t fb_base;
129 uint32_t divmul[2];
130 uint16_t io_attr;
131 uint16_t reg_block;
132 uint8_t shift;
133 int cs_equal, cs_above;
134 int io_mode;
135 };
136
137 extern int atom_debug;
138
139 struct atom_context *atom_parse(struct card_info *, void *);
140 void atom_execute_table(struct atom_context *, int, uint32_t *);
141 int atom_asic_init(struct atom_context *);
142 void atom_destroy(struct atom_context *);
143 void atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size, uint8_t *frev, uint8_t *crev, uint16_t *data_start);
144 void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t *frev, uint8_t *crev);
145 #include "atom-types.h"
146 #include "atombios.h"
147 #include "ObjectID.h"
148
149 #endif
150
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