Line data    Source code

       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           0 : uint8_t *bios_get_image(struct dc_bios *bp,
      37             :         uint32_t offset,
      38             :         uint32_t size)
      39             : {
      40           0 :         if (bp->bios && offset + size < bp->bios_size)
      41           0 :                 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           0 : bool bios_is_accelerated_mode(
      58             :         struct dc_bios *bios)
      59             : {
      60             :         uint32_t acc_mode;
      61           0 :         REG_GET(BIOS_SCRATCH_6, S6_ACC_MODE, &acc_mode);
      62           0 :         return (acc_mode == 1);
      63             : }
      64             : 
      65             : 
      66           0 : void bios_set_scratch_acc_mode_change(
      67             :         struct dc_bios *bios,
      68             :         uint32_t state)
      69             : {
      70           0 :         REG_UPDATE(BIOS_SCRATCH_6, S6_ACC_MODE, state);
      71           0 : }
      72             : 
      73             : 
      74           0 : void bios_set_scratch_critical_state(
      75             :         struct dc_bios *bios,
      76             :         bool state)
      77             : {
      78           0 :         uint32_t critial_state = state ? 1 : 0;
      79           0 :         REG_UPDATE(BIOS_SCRATCH_6, S6_CRITICAL_STATE, critial_state);
      80           0 : }
      81             : 
      82           0 : uint32_t bios_get_vga_enabled_displays(
      83             :         struct dc_bios *bios)
      84             : {
      85           0 :         return REG_READ(BIOS_SCRATCH_3) & 0XFFFF;
      86             : }
      87             :