/*
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* Copyright 2012-15 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#include "dm_services.h"
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#include "atom.h"
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#include "include/bios_parser_types.h"
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#include "bios_parser_helper.h"
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#include "command_table_helper.h"
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#include "command_table.h"
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#include "bios_parser_types_internal.h"
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uint8_t *bios_get_image(struct dc_bios *bp,
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uint32_t offset,
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uint32_t size)
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{
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if (bp->bios && offset + size < bp->bios_size)
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return bp->bios + offset;
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else
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return NULL;
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}
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#include "reg_helper.h"
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#define CTX \
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bios->ctx
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#define REG(reg)\
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(bios->regs->reg)
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#undef FN
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#define FN(reg_name, field_name) \
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ATOM_ ## field_name ## _SHIFT, ATOM_ ## field_name
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bool bios_is_accelerated_mode(
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struct dc_bios *bios)
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{
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uint32_t acc_mode;
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REG_GET(BIOS_SCRATCH_6, S6_ACC_MODE, &acc_mode);
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return (acc_mode == 1);
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}
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void bios_set_scratch_acc_mode_change(
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struct dc_bios *bios)
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{
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REG_UPDATE(BIOS_SCRATCH_6, S6_ACC_MODE, 1);
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}
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void bios_set_scratch_critical_state(
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struct dc_bios *bios,
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bool state)
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{
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uint32_t critial_state = state ? 1 : 0;
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REG_UPDATE(BIOS_SCRATCH_6, S6_CRITICAL_STATE, critial_state);
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}
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uint32_t bios_get_vga_enabled_displays(
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struct dc_bios *bios)
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{
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uint32_t active_disp = 1;
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active_disp = REG_READ(BIOS_SCRATCH_3) & 0XFFFF;
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return active_disp;
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}
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