blob: adc710fe4a453950ea4258b911105c9ff7c7bf56 [file] [log] [blame]
/*
* Copyright 2012-15 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "dm_services.h"
#include "atom.h"
#include "include/bios_parser_types.h"
#include "bios_parser_helper.h"
#include "command_table_helper.h"
#include "command_table.h"
#include "bios_parser_types_internal.h"
uint8_t *bios_get_image(struct dc_bios *bp,
uint32_t offset,
uint32_t size)
{
if (bp->bios && offset + size < bp->bios_size)
return bp->bios + offset;
else
return NULL;
}
#include "reg_helper.h"
#define CTX \
bios->ctx
#define REG(reg)\
(bios->regs->reg)
#undef FN
#define FN(reg_name, field_name) \
ATOM_ ## field_name ## _SHIFT, ATOM_ ## field_name
bool bios_is_accelerated_mode(
struct dc_bios *bios)
{
uint32_t acc_mode;
REG_GET(BIOS_SCRATCH_6, S6_ACC_MODE, &acc_mode);
return (acc_mode == 1);
}
void bios_set_scratch_acc_mode_change(
struct dc_bios *bios,
uint32_t state)
{
REG_UPDATE(BIOS_SCRATCH_6, S6_ACC_MODE, state);
}
void bios_set_scratch_critical_state(
struct dc_bios *bios,
bool state)
{
uint32_t critial_state = state ? 1 : 0;
REG_UPDATE(BIOS_SCRATCH_6, S6_CRITICAL_STATE, critial_state);
}
uint32_t bios_get_vga_enabled_displays(
struct dc_bios *bios)
{
return REG_READ(BIOS_SCRATCH_3) & 0XFFFF;
}