1 | /* |
2 | * Copyright 2012-15 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 | * Authors: AMD |
23 | * |
24 | */ |
25 | |
26 | #include "dm_services.h" |
27 | |
28 | #include "atom.h" |
29 | |
30 | #include "include/bios_parser_types.h" |
31 | #include "bios_parser_helper.h" |
32 | #include "command_table_helper.h" |
33 | #include "command_table.h" |
34 | #include "bios_parser_types_internal.h" |
35 | |
36 | uint8_t *bios_get_image(struct dc_bios *bp, |
37 | uint32_t offset, |
38 | uint32_t size) |
39 | { |
40 | if (bp->bios && offset + size < bp->bios_size) |
41 | return bp->bios + offset; |
42 | else |
43 | return NULL; |
44 | } |
45 | |
46 | #include "reg_helper.h" |
47 | |
48 | #define CTX \ |
49 | bios->ctx |
50 | #define REG(reg)\ |
51 | (bios->regs->reg) |
52 | |
53 | #undef FN |
54 | #define FN(reg_name, field_name) \ |
55 | ATOM_ ## field_name ## _SHIFT, ATOM_ ## field_name |
56 | |
57 | bool bios_is_accelerated_mode( |
58 | struct dc_bios *bios) |
59 | { |
60 | uint32_t acc_mode; |
61 | REG_GET(BIOS_SCRATCH_6, S6_ACC_MODE, &acc_mode); |
62 | return (acc_mode == 1); |
63 | } |
64 | |
65 | |
66 | void bios_set_scratch_acc_mode_change( |
67 | struct dc_bios *bios, |
68 | uint32_t state) |
69 | { |
70 | REG_UPDATE(BIOS_SCRATCH_6, S6_ACC_MODE, state); |
71 | } |
72 | |
73 | |
74 | void bios_set_scratch_critical_state( |
75 | struct dc_bios *bios, |
76 | bool state) |
77 | { |
78 | uint32_t critial_state = state ? 1 : 0; |
79 | REG_UPDATE(BIOS_SCRATCH_6, S6_CRITICAL_STATE, critial_state); |
80 | } |
81 | |
82 | uint32_t bios_get_vga_enabled_displays( |
83 | struct dc_bios *bios) |
84 | { |
85 | return REG_READ(BIOS_SCRATCH_3) & 0XFFFF; |
86 | } |
87 | |
88 | |