Line data    Source code

       1             : /*
       2             :  * Copyright 2019 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 "dc_bios_types.h"
      27             : #include "dcn30/dcn30_vpg.h"
      28             : #include "dcn31_vpg.h"
      29             : #include "reg_helper.h"
      30             : #include "dc/dc.h"
      31             : 
      32             : #define DC_LOGGER \
      33             :                 vpg31->base.ctx->logger
      34             : 
      35             : #define REG(reg)\
      36             :         (vpg31->regs->reg)
      37             : 
      38             : #undef FN
      39             : #define FN(reg_name, field_name) \
      40             :         vpg31->vpg_shift->field_name, vpg31->vpg_mask->field_name
      41             : 
      42             : 
      43             : #define CTX \
      44             :         vpg31->base.ctx
      45             : 
      46             : static struct vpg_funcs dcn31_vpg_funcs = {
      47             :         .update_generic_info_packet     = vpg3_update_generic_info_packet,
      48             :         .vpg_poweron = vpg31_poweron,
      49             :         .vpg_powerdown = vpg31_powerdown,
      50             : };
      51             : 
      52           0 : void vpg31_powerdown(struct vpg *vpg)
      53             : {
      54           0 :         struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg);
      55             : 
      56           0 :         if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false)
      57             :                 return;
      58             : 
      59           0 :         REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 0, VPG_GSP_LIGHT_SLEEP_FORCE, 1);
      60             : }
      61             : 
      62           0 : void vpg31_poweron(struct vpg *vpg)
      63             : {
      64           0 :         struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg);
      65             : 
      66           0 :         if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false)
      67             :                 return;
      68             : 
      69           0 :         REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 1, VPG_GSP_LIGHT_SLEEP_FORCE, 0);
      70             : }
      71             : 
      72           0 : void vpg31_construct(struct dcn31_vpg *vpg31,
      73             :         struct dc_context *ctx,
      74             :         uint32_t inst,
      75             :         const struct dcn31_vpg_registers *vpg_regs,
      76             :         const struct dcn31_vpg_shift *vpg_shift,
      77             :         const struct dcn31_vpg_mask *vpg_mask)
      78             : {
      79           0 :         vpg31->base.ctx = ctx;
      80             : 
      81           0 :         vpg31->base.inst = inst;
      82           0 :         vpg31->base.funcs = &dcn31_vpg_funcs;
      83             : 
      84           0 :         vpg31->regs = vpg_regs;
      85           0 :         vpg31->vpg_shift = vpg_shift;
      86           0 :         vpg31->vpg_mask = vpg_mask;
      87           0 : }