dcn201_dccg.c (2479B)
1/* 2 * Copyright 2018 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 "dcn201_dccg.h" 27 28#include "reg_helper.h" 29#include "core_types.h" 30 31#define TO_DCN_DCCG(dccg)\ 32 container_of(dccg, struct dcn_dccg, base) 33 34#define REG(reg) \ 35 (dccg_dcn->regs->reg) 36 37#undef FN 38#define FN(reg_name, field_name) \ 39 dccg_dcn->dccg_shift->field_name, dccg_dcn->dccg_mask->field_name 40 41#define CTX \ 42 dccg_dcn->base.ctx 43 44#define DC_LOGGER \ 45 dccg->ctx->logger 46 47static void dccg201_update_dpp_dto(struct dccg *dccg, int dpp_inst, 48 int req_dppclk) 49{ 50 /* vbios handles it */ 51} 52 53static const struct dccg_funcs dccg201_funcs = { 54 .update_dpp_dto = dccg201_update_dpp_dto, 55 .get_dccg_ref_freq = dccg2_get_dccg_ref_freq, 56 .set_fifo_errdet_ovr_en = dccg2_set_fifo_errdet_ovr_en, 57 .otg_add_pixel = dccg2_otg_add_pixel, 58 .otg_drop_pixel = dccg2_otg_drop_pixel, 59 .dccg_init = dccg2_init 60}; 61 62struct dccg *dccg201_create( 63 struct dc_context *ctx, 64 const struct dccg_registers *regs, 65 const struct dccg_shift *dccg_shift, 66 const struct dccg_mask *dccg_mask) 67{ 68 struct dcn_dccg *dccg_dcn = kzalloc(sizeof(*dccg_dcn), GFP_KERNEL); 69 struct dccg *base; 70 71 if (dccg_dcn == NULL) { 72 BREAK_TO_DEBUGGER(); 73 return NULL; 74 } 75 76 base = &dccg_dcn->base; 77 base->ctx = ctx; 78 base->funcs = &dccg201_funcs; 79 80 dccg_dcn->regs = regs; 81 dccg_dcn->dccg_shift = dccg_shift; 82 dccg_dcn->dccg_mask = dccg_mask; 83 84 return &dccg_dcn->base; 85}