1 /* 2 * Copyright 2020 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 "reg_helper.h" 27 #include "core_types.h" 28 #include "dcn301_dccg.h" 29 30 #define TO_DCN_DCCG(dccg)\ 31 container_of(dccg, struct dcn_dccg, base) 32 33 #define REG(reg) \ 34 (dccg_dcn->regs->reg) 35 36 #undef FN 37 #define FN(reg_name, field_name) \ 38 dccg_dcn->dccg_shift->field_name, dccg_dcn->dccg_mask->field_name 39 40 #define CTX \ 41 dccg_dcn->base.ctx 42 #define DC_LOGGER \ 43 dccg->ctx->logger 44 45 static const struct dccg_funcs dccg301_funcs = { 46 .update_dpp_dto = dccg2_update_dpp_dto, 47 .get_dccg_ref_freq = dccg2_get_dccg_ref_freq, 48 .dccg_init = dccg2_init 49 }; 50 51 struct dccg *dccg301_create( 52 struct dc_context *ctx, 53 const struct dccg_registers *regs, 54 const struct dccg_shift *dccg_shift, 55 const struct dccg_mask *dccg_mask) 56 { 57 struct dcn_dccg *dccg_dcn = kzalloc(sizeof(*dccg_dcn), GFP_KERNEL); 58 struct dccg *base; 59 60 if (dccg_dcn == NULL) { 61 BREAK_TO_DEBUGGER(); 62 return NULL; 63 } 64 65 base = &dccg_dcn->base; 66 base->ctx = ctx; 67 base->funcs = &dccg301_funcs; 68 69 dccg_dcn->regs = regs; 70 dccg_dcn->dccg_shift = dccg_shift; 71 dccg_dcn->dccg_mask = dccg_mask; 72 73 return &dccg_dcn->base; 74 } 75 76