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1/*2 * Copyright 2012-17 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 "reg_helper.h"27#include "resource.h"28#include "dwb.h"29#include "dcn10_dwb.h"30 31 32#define REG(reg)\33 dwbc10->dwbc_regs->reg34 35#define CTX \36 dwbc10->base.ctx37 38#undef FN39#define FN(reg_name, field_name) \40 dwbc10->dwbc_shift->field_name, dwbc10->dwbc_mask->field_name41 42#define TO_DCN10_DWBC(dwbc_base) \43 container_of(dwbc_base, struct dcn10_dwbc, base)44 45static bool dwb1_get_caps(struct dwbc *dwbc, struct dwb_caps *caps)46{47 if (caps) {48 caps->adapter_id = 0; /* we only support 1 adapter currently */49 caps->hw_version = DCN_VERSION_1_0;50 caps->num_pipes = 2;51 memset(&caps->reserved, 0, sizeof(caps->reserved));52 memset(&caps->reserved2, 0, sizeof(caps->reserved2));53 caps->sw_version = dwb_ver_1_0;54 caps->caps.support_dwb = true;55 caps->caps.support_ogam = false;56 caps->caps.support_wbscl = true;57 caps->caps.support_ocsc = false;58 return true;59 } else {60 return false;61 }62}63 64static bool dwb1_enable(struct dwbc *dwbc, struct dc_dwb_params *params)65{66 struct dcn10_dwbc *dwbc10 = TO_DCN10_DWBC(dwbc);67 68 /* disable first. */69 dwbc->funcs->disable(dwbc);70 71 /* disable power gating */72 REG_UPDATE_5(WB_EC_CONFIG, DISPCLK_R_WB_GATE_DIS, 1,73 DISPCLK_G_WB_GATE_DIS, 1, DISPCLK_G_WBSCL_GATE_DIS, 1,74 WB_LB_LS_DIS, 1, WB_LUT_LS_DIS, 1);75 76 REG_UPDATE(WB_ENABLE, WB_ENABLE, 1);77 78 return true;79}80 81static bool dwb1_disable(struct dwbc *dwbc)82{83 struct dcn10_dwbc *dwbc10 = TO_DCN10_DWBC(dwbc);84 85 /* disable CNV */86 REG_UPDATE(CNV_MODE, CNV_FRAME_CAPTURE_EN, 0);87 88 /* disable WB */89 REG_UPDATE(WB_ENABLE, WB_ENABLE, 0);90 91 /* soft reset */92 REG_UPDATE(WB_SOFT_RESET, WB_SOFT_RESET, 1);93 REG_UPDATE(WB_SOFT_RESET, WB_SOFT_RESET, 0);94 95 /* enable power gating */96 REG_UPDATE_5(WB_EC_CONFIG, DISPCLK_R_WB_GATE_DIS, 0,97 DISPCLK_G_WB_GATE_DIS, 0, DISPCLK_G_WBSCL_GATE_DIS, 0,98 WB_LB_LS_DIS, 0, WB_LUT_LS_DIS, 0);99 100 return true;101}102 103const struct dwbc_funcs dcn10_dwbc_funcs = {104 .get_caps = dwb1_get_caps,105 .enable = dwb1_enable,106 .disable = dwb1_disable,107 .update = NULL,108 .set_stereo = NULL,109 .set_new_content = NULL,110 .set_warmup = NULL,111 .dwb_set_scaler = NULL,112};113 114void dcn10_dwbc_construct(struct dcn10_dwbc *dwbc10,115 struct dc_context *ctx,116 const struct dcn10_dwbc_registers *dwbc_regs,117 const struct dcn10_dwbc_shift *dwbc_shift,118 const struct dcn10_dwbc_mask *dwbc_mask,119 int inst)120{121 dwbc10->base.ctx = ctx;122 123 dwbc10->base.inst = inst;124 dwbc10->base.funcs = &dcn10_dwbc_funcs;125 126 dwbc10->dwbc_regs = dwbc_regs;127 dwbc10->dwbc_shift = dwbc_shift;128 dwbc10->dwbc_mask = dwbc_mask;129}130