1*b843c749SSergey Zigachev /*
2*b843c749SSergey Zigachev * Copyright 2012-15 Advanced Micro Devices, Inc.
3*b843c749SSergey Zigachev *
4*b843c749SSergey Zigachev * Permission is hereby granted, free of charge, to any person obtaining a
5*b843c749SSergey Zigachev * copy of this software and associated documentation files (the "Software"),
6*b843c749SSergey Zigachev * to deal in the Software without restriction, including without limitation
7*b843c749SSergey Zigachev * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*b843c749SSergey Zigachev * and/or sell copies of the Software, and to permit persons to whom the
9*b843c749SSergey Zigachev * Software is furnished to do so, subject to the following conditions:
10*b843c749SSergey Zigachev *
11*b843c749SSergey Zigachev * The above copyright notice and this permission notice shall be included in
12*b843c749SSergey Zigachev * all copies or substantial portions of the Software.
13*b843c749SSergey Zigachev *
14*b843c749SSergey Zigachev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*b843c749SSergey Zigachev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*b843c749SSergey Zigachev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17*b843c749SSergey Zigachev * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*b843c749SSergey Zigachev * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*b843c749SSergey Zigachev * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*b843c749SSergey Zigachev * OTHER DEALINGS IN THE SOFTWARE.
21*b843c749SSergey Zigachev *
22*b843c749SSergey Zigachev * Authors: AMD
23*b843c749SSergey Zigachev *
24*b843c749SSergey Zigachev */
25*b843c749SSergey Zigachev
26*b843c749SSergey Zigachev #include "dm_services.h"
27*b843c749SSergey Zigachev
28*b843c749SSergey Zigachev #include "atom.h"
29*b843c749SSergey Zigachev
30*b843c749SSergey Zigachev #include "include/bios_parser_types.h"
31*b843c749SSergey Zigachev #include "bios_parser_helper.h"
32*b843c749SSergey Zigachev #include "command_table_helper.h"
33*b843c749SSergey Zigachev #include "command_table.h"
34*b843c749SSergey Zigachev #include "bios_parser_types_internal.h"
35*b843c749SSergey Zigachev
bios_get_image(struct dc_bios * bp,uint32_t offset,uint32_t size)36*b843c749SSergey Zigachev uint8_t *bios_get_image(struct dc_bios *bp,
37*b843c749SSergey Zigachev uint32_t offset,
38*b843c749SSergey Zigachev uint32_t size)
39*b843c749SSergey Zigachev {
40*b843c749SSergey Zigachev if (bp->bios && offset + size < bp->bios_size)
41*b843c749SSergey Zigachev return bp->bios + offset;
42*b843c749SSergey Zigachev else
43*b843c749SSergey Zigachev return NULL;
44*b843c749SSergey Zigachev }
45*b843c749SSergey Zigachev
46*b843c749SSergey Zigachev #include "reg_helper.h"
47*b843c749SSergey Zigachev
48*b843c749SSergey Zigachev #define CTX \
49*b843c749SSergey Zigachev bios->ctx
50*b843c749SSergey Zigachev #define REG(reg)\
51*b843c749SSergey Zigachev (bios->regs->reg)
52*b843c749SSergey Zigachev
53*b843c749SSergey Zigachev #undef FN
54*b843c749SSergey Zigachev #define FN(reg_name, field_name) \
55*b843c749SSergey Zigachev ATOM_ ## field_name ## _SHIFT, ATOM_ ## field_name
56*b843c749SSergey Zigachev
bios_is_accelerated_mode(struct dc_bios * bios)57*b843c749SSergey Zigachev bool bios_is_accelerated_mode(
58*b843c749SSergey Zigachev struct dc_bios *bios)
59*b843c749SSergey Zigachev {
60*b843c749SSergey Zigachev uint32_t acc_mode;
61*b843c749SSergey Zigachev REG_GET(BIOS_SCRATCH_6, S6_ACC_MODE, &acc_mode);
62*b843c749SSergey Zigachev return (acc_mode == 1);
63*b843c749SSergey Zigachev }
64*b843c749SSergey Zigachev
65*b843c749SSergey Zigachev
bios_set_scratch_acc_mode_change(struct dc_bios * bios)66*b843c749SSergey Zigachev void bios_set_scratch_acc_mode_change(
67*b843c749SSergey Zigachev struct dc_bios *bios)
68*b843c749SSergey Zigachev {
69*b843c749SSergey Zigachev REG_UPDATE(BIOS_SCRATCH_6, S6_ACC_MODE, 1);
70*b843c749SSergey Zigachev }
71*b843c749SSergey Zigachev
72*b843c749SSergey Zigachev
bios_set_scratch_critical_state(struct dc_bios * bios,bool state)73*b843c749SSergey Zigachev void bios_set_scratch_critical_state(
74*b843c749SSergey Zigachev struct dc_bios *bios,
75*b843c749SSergey Zigachev bool state)
76*b843c749SSergey Zigachev {
77*b843c749SSergey Zigachev uint32_t critial_state = state ? 1 : 0;
78*b843c749SSergey Zigachev REG_UPDATE(BIOS_SCRATCH_6, S6_CRITICAL_STATE, critial_state);
79*b843c749SSergey Zigachev }
80*b843c749SSergey Zigachev
bios_get_vga_enabled_displays(struct dc_bios * bios)81*b843c749SSergey Zigachev uint32_t bios_get_vga_enabled_displays(
82*b843c749SSergey Zigachev struct dc_bios *bios)
83*b843c749SSergey Zigachev {
84*b843c749SSergey Zigachev uint32_t active_disp = 1;
85*b843c749SSergey Zigachev
86*b843c749SSergey Zigachev if (bios->regs->BIOS_SCRATCH_3) /*follow up with other asic, todo*/
87*b843c749SSergey Zigachev active_disp = REG_READ(BIOS_SCRATCH_3) & 0XFFFF;
88*b843c749SSergey Zigachev return active_disp;
89*b843c749SSergey Zigachev }
90*b843c749SSergey Zigachev
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