| /* |
| * Copyright 2012-17 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 |
| * |
| */ |
| |
| #if defined(CONFIG_DRM_AMD_DC_DCN1_0) |
| |
| #include "reg_helper.h" |
| #include "resource.h" |
| #include "dwb.h" |
| #include "dcn10_dwb.h" |
| |
| |
| #define REG(reg)\ |
| dwbc10->dwbc_regs->reg |
| |
| #define CTX \ |
| dwbc10->base.ctx |
| |
| #undef FN |
| #define FN(reg_name, field_name) \ |
| dwbc10->dwbc_shift->field_name, dwbc10->dwbc_mask->field_name |
| |
| #define TO_DCN10_DWBC(dwbc_base) \ |
| container_of(dwbc_base, struct dcn10_dwbc, base) |
| |
| static bool dwb1_get_caps(struct dwbc *dwbc, struct dwb_caps *caps) |
| { |
| if (caps) { |
| caps->adapter_id = 0; /* we only support 1 adapter currently */ |
| caps->hw_version = DCN_VERSION_1_0; |
| caps->num_pipes = 2; |
| memset(&caps->reserved, 0, sizeof(caps->reserved)); |
| memset(&caps->reserved2, 0, sizeof(caps->reserved2)); |
| caps->sw_version = dwb_ver_1_0; |
| caps->caps.support_dwb = true; |
| caps->caps.support_ogam = false; |
| caps->caps.support_wbscl = true; |
| caps->caps.support_ocsc = false; |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| static bool dwb1_enable(struct dwbc *dwbc, struct dc_dwb_params *params) |
| { |
| struct dcn10_dwbc *dwbc10 = TO_DCN10_DWBC(dwbc); |
| |
| /* disable first. */ |
| dwbc->funcs->disable(dwbc); |
| |
| /* disable power gating */ |
| REG_UPDATE_5(WB_EC_CONFIG, DISPCLK_R_WB_GATE_DIS, 1, |
| DISPCLK_G_WB_GATE_DIS, 1, DISPCLK_G_WBSCL_GATE_DIS, 1, |
| WB_LB_LS_DIS, 1, WB_LUT_LS_DIS, 1); |
| |
| REG_UPDATE(WB_ENABLE, WB_ENABLE, 1); |
| |
| return true; |
| } |
| |
| static bool dwb1_disable(struct dwbc *dwbc) |
| { |
| struct dcn10_dwbc *dwbc10 = TO_DCN10_DWBC(dwbc); |
| |
| /* disable CNV */ |
| REG_UPDATE(CNV_MODE, CNV_FRAME_CAPTURE_EN, 0); |
| |
| /* disable WB */ |
| REG_UPDATE(WB_ENABLE, WB_ENABLE, 0); |
| |
| /* soft reset */ |
| REG_UPDATE(WB_SOFT_RESET, WB_SOFT_RESET, 1); |
| REG_UPDATE(WB_SOFT_RESET, WB_SOFT_RESET, 0); |
| |
| /* enable power gating */ |
| REG_UPDATE_5(WB_EC_CONFIG, DISPCLK_R_WB_GATE_DIS, 0, |
| DISPCLK_G_WB_GATE_DIS, 0, DISPCLK_G_WBSCL_GATE_DIS, 0, |
| WB_LB_LS_DIS, 0, WB_LUT_LS_DIS, 0); |
| |
| return true; |
| } |
| |
| const struct dwbc_funcs dcn10_dwbc_funcs = { |
| .get_caps = dwb1_get_caps, |
| .enable = dwb1_enable, |
| .disable = dwb1_disable, |
| .update = NULL, |
| .set_stereo = NULL, |
| .set_new_content = NULL, |
| #if defined(CONFIG_DRM_AMD_DC_DCN2_0) |
| .set_warmup = NULL, |
| #endif |
| .dwb_set_scaler = NULL, |
| }; |
| |
| void dcn10_dwbc_construct(struct dcn10_dwbc *dwbc10, |
| struct dc_context *ctx, |
| const struct dcn10_dwbc_registers *dwbc_regs, |
| const struct dcn10_dwbc_shift *dwbc_shift, |
| const struct dcn10_dwbc_mask *dwbc_mask, |
| int inst) |
| { |
| dwbc10->base.ctx = ctx; |
| |
| dwbc10->base.inst = inst; |
| dwbc10->base.funcs = &dcn10_dwbc_funcs; |
| |
| dwbc10->dwbc_regs = dwbc_regs; |
| dwbc10->dwbc_shift = dwbc_shift; |
| dwbc10->dwbc_mask = dwbc_mask; |
| } |
| |
| |
| #endif |