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1/*2 * Copyright 2019 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: AMD23 *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->logger34 35#define REG(reg)\36 (vpg31->regs->reg)37 38#undef FN39#define FN(reg_name, field_name) \40 vpg31->vpg_shift->field_name, vpg31->vpg_mask->field_name41 42 43#define CTX \44 vpg31->base.ctx45 46static 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 52void vpg31_powerdown(struct vpg *vpg)53{54 struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg);55 56 if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false)57 return;58 59 REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 0, VPG_GSP_LIGHT_SLEEP_FORCE, 1);60}61 62void vpg31_poweron(struct vpg *vpg)63{64 struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg);65 66 uint32_t vpg_gsp_mem_pwr_state;67 68 REG_GET(VPG_MEM_PWR, VPG_GSP_MEM_PWR_STATE, &vpg_gsp_mem_pwr_state);69 70 if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false &&71 vpg_gsp_mem_pwr_state == 0)72 return;73 74 REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 1, VPG_GSP_LIGHT_SLEEP_FORCE, 0);75}76 77void vpg31_construct(struct dcn31_vpg *vpg31,78 struct dc_context *ctx,79 uint32_t inst,80 const struct dcn31_vpg_registers *vpg_regs,81 const struct dcn31_vpg_shift *vpg_shift,82 const struct dcn31_vpg_mask *vpg_mask)83{84 vpg31->base.ctx = ctx;85 86 vpg31->base.inst = inst;87 vpg31->base.funcs = &dcn31_vpg_funcs;88 89 vpg31->regs = vpg_regs;90 vpg31->vpg_shift = vpg_shift;91 vpg31->vpg_mask = vpg_mask;92}93