xref: /haiku/src/add-ons/accelerants/radeon_hd/atombios/atom.h (revision f612d852cf263ee74cc4b666c15c603aed575706)
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 
37 struct 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 #define ATOM_ROM_PART_NUMBER_PTR	0x6E
55 
56 #define ATOM_ROM_MAGIC		"ATOM"
57 #define ATOM_ROM_MAGIC_PTR	4
58 
59 #define ATOM_ROM_MSG_PTR	0x10
60 #define ATOM_ROM_CMD_PTR	0x1E
61 #define ATOM_ROM_DATA_PTR	0x20
62 
63 #define ATOM_CMD_INIT		0
64 #define ATOM_CMD_SETSCLK	0x0A
65 #define ATOM_CMD_SETMCLK	0x0B
66 #define ATOM_CMD_SETPCLK	0x0C
67 #define ATOM_CMD_SPDFANCNTL	0x39
68 
69 #define ATOM_DATA_FWI_PTR	0xC
70 #define ATOM_DATA_IIO_PTR	0x32
71 
72 #define ATOM_FWI_DEFSCLK_PTR	8
73 #define ATOM_FWI_DEFMCLK_PTR	0xC
74 #define ATOM_FWI_MAXSCLK_PTR	0x24
75 #define ATOM_FWI_MAXMCLK_PTR	0x28
76 
77 #define ATOM_CT_SIZE_PTR	0
78 #define ATOM_CT_WS_PTR		4
79 #define ATOM_CT_PS_PTR		5
80 #define ATOM_CT_PS_MASK		0x7F
81 #define ATOM_CT_CODE_PTR	6
82 
83 #define ATOM_OP_CNT		127
84 #define ATOM_OP_EOT		91
85 
86 #define ATOM_CASE_MAGIC		0x63
87 #define ATOM_CASE_END		0x5A5A
88 
89 #define ATOM_ARG_REG		0
90 #define ATOM_ARG_PS		1
91 #define ATOM_ARG_WS		2
92 #define ATOM_ARG_FB		3
93 #define ATOM_ARG_ID		4
94 #define ATOM_ARG_IMM		5
95 #define ATOM_ARG_PLL		6
96 #define ATOM_ARG_MC		7
97 
98 #define ATOM_SRC_DWORD		0
99 #define ATOM_SRC_WORD0		1
100 #define ATOM_SRC_WORD8		2
101 #define ATOM_SRC_WORD16		3
102 #define ATOM_SRC_BYTE0		4
103 #define ATOM_SRC_BYTE8		5
104 #define ATOM_SRC_BYTE16		6
105 #define ATOM_SRC_BYTE24		7
106 
107 #define ATOM_WS_QUOTIENT	0x40
108 #define ATOM_WS_REMAINDER	0x41
109 #define ATOM_WS_DATAPTR		0x42
110 #define ATOM_WS_SHIFT		0x43
111 #define ATOM_WS_OR_MASK		0x44
112 #define ATOM_WS_AND_MASK	0x45
113 #define ATOM_WS_FB_WINDOW	0x46
114 #define ATOM_WS_ATTRIBUTES	0x47
115 #define ATOM_WS_REGPTR		0x48
116 
117 #define ATOM_IIO_NOP		0
118 #define ATOM_IIO_START		1
119 #define ATOM_IIO_READ		2
120 #define ATOM_IIO_WRITE		3
121 #define ATOM_IIO_CLEAR		4
122 #define ATOM_IIO_SET		5
123 #define ATOM_IIO_MOVE_INDEX	6
124 #define ATOM_IIO_MOVE_ATTR	7
125 #define ATOM_IIO_MOVE_DATA	8
126 #define ATOM_IIO_END		9
127 
128 #define ATOM_IO_MM		0
129 #define ATOM_IO_PCI		1
130 #define ATOM_IO_SYSIO		2
131 #define ATOM_IO_IIO		0x80
132 
133 typedef struct atom_context_s {
134 	card_info *card;
135 	uint8 *bios;
136 	uint32 cmd_table, data_table;
137 	uint16 *iio;
138 
139 	sem_id exec_sem;
140 	uint16 data_block;
141 	uint32 fb_base;
142 	uint32 divmul[2];
143 	uint16 io_attr;
144 	uint16 reg_block;
145 	uint8 shift;
146 	int cs_equal, cs_above;
147 	int io_mode;
148 	uint32 *scratch;
149 	uint32 scratch_size_bytes;
150 } atom_context;
151 
152 extern int atom_debug;
153 
154 atom_context *atom_parse(card_info *card, uint8 *bios);
155 status_t atom_execute_table(atom_context *ctx, int index, uint32 *params);
156 status_t atom_parse_data_header(atom_context *ctx, int index, uint16 *size,
157 	uint8 *frev, uint8 *crev, uint16 *data_start);
158 status_t atom_parse_cmd_header(atom_context *ctx, int index, uint8 * frev,
159 	uint8 * crev);
160 status_t atom_asic_init(atom_context *);
161 void atom_destroy(atom_context *);
162 status_t atom_allocate_fb_scratch(atom_context *ctx);
163 
164 
165 #endif
166