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/*
* 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)
{
REG_UPDATE(BIOS_SCRATCH_6, S6_ACC_MODE, 1);
}
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)
{
uint32_t active_disp = 1;
if (bios->regs->BIOS_SCRATCH_3) /*follow up with other asic, todo*/
active_disp = REG_READ(BIOS_SCRATCH_3) & 0XFFFF;
return active_disp;
}
bool bios_is_active_display(
struct dc_bios *bios,
enum signal_type signal,
const struct connector_device_tag_info *device_tag)
{
uint32_t active = 0;
uint32_t connected = 0;
uint32_t bios_scratch_0 = 0;
uint32_t bios_scratch_3 = 0;
switch (signal) {
case SIGNAL_TYPE_DVI_SINGLE_LINK:
case SIGNAL_TYPE_DVI_DUAL_LINK:
case SIGNAL_TYPE_HDMI_TYPE_A:
case SIGNAL_TYPE_DISPLAY_PORT:
case SIGNAL_TYPE_DISPLAY_PORT_MST:
{
if (device_tag->dev_id.device_type == DEVICE_TYPE_DFP) {
switch (device_tag->dev_id.enum_id) {
case 1:
{
active = ATOM_S3_DFP1_ACTIVE;
connected = 0x0008; //ATOM_DISPLAY_DFP1_CONNECT
}
break;
case 2:
{
active = ATOM_S3_DFP2_ACTIVE;
connected = 0x0080; //ATOM_DISPLAY_DFP2_CONNECT
}
break;
case 3:
{
active = ATOM_S3_DFP3_ACTIVE;
connected = 0x0200; //ATOM_DISPLAY_DFP3_CONNECT
}
break;
case 4:
{
active = ATOM_S3_DFP4_ACTIVE;
connected = 0x0400; //ATOM_DISPLAY_DFP4_CONNECT
}
break;
case 5:
{
active = ATOM_S3_DFP5_ACTIVE;
connected = 0x0800; //ATOM_DISPLAY_DFP5_CONNECT
}
break;
case 6:
{
active = ATOM_S3_DFP6_ACTIVE;
connected = 0x0040; //ATOM_DISPLAY_DFP6_CONNECT
}
break;
default:
break;
}
}
}
break;
case SIGNAL_TYPE_LVDS:
case SIGNAL_TYPE_EDP:
{
active = ATOM_S3_LCD1_ACTIVE;
connected = 0x0002; //ATOM_DISPLAY_LCD1_CONNECT
}
break;
default:
break;
}
if (bios->regs->BIOS_SCRATCH_0) /*follow up with other asic, todo*/
bios_scratch_0 = REG_READ(BIOS_SCRATCH_0);
if (bios->regs->BIOS_SCRATCH_3) /*follow up with other asic, todo*/
bios_scratch_3 = REG_READ(BIOS_SCRATCH_3);
bios_scratch_3 &= ATOM_S3_DEVICE_ACTIVE_MASK;
if ((active & bios_scratch_3) && (connected & bios_scratch_0))
return true;
return false;
}
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