dc/dcn301/dcn301_dccg.c

0001 /*
0002  * Copyright 2020 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  * Authors: AMD
0023  *
0024  */
0025
0026 #include "reg_helper.h"
0027 #include "core_types.h"
0028 #include "dcn301_dccg.h"
0029
0030 #define TO_DCN_DCCG(dccg)\
0031     container_of(dccg, struct dcn_dccg, base)
0032
0033 #define REG(reg) \
0034     (dccg_dcn->regs->reg)
0035
0036 #undef FN
0037 #define FN(reg_name, field_name) \
0038     dccg_dcn->dccg_shift->field_name, dccg_dcn->dccg_mask->field_name
0039
0040 #define CTX \
0041     dccg_dcn->base.ctx
0042 #define DC_LOGGER \
0043     dccg->ctx->logger
0044
0045 static const struct dccg_funcs dccg301_funcs = {
0046     .update_dpp_dto = dccg2_update_dpp_dto,
0047     .get_dccg_ref_freq = dccg2_get_dccg_ref_freq,
0048     .set_fifo_errdet_ovr_en = dccg2_set_fifo_errdet_ovr_en,
0049     .otg_add_pixel = dccg2_otg_add_pixel,
0050     .otg_drop_pixel = dccg2_otg_drop_pixel,
0051     .dccg_init = dccg2_init
0052 };
0053
0054 struct dccg *dccg301_create(
0055     struct dc_context *ctx,
0056     const struct dccg_registers *regs,
0057     const struct dccg_shift *dccg_shift,
0058     const struct dccg_mask *dccg_mask)
0059 {
0060     struct dcn_dccg *dccg_dcn = kzalloc(sizeof(*dccg_dcn), GFP_KERNEL);
0061     struct dccg *base;
0062
0063     if (dccg_dcn == NULL) {
0064         BREAK_TO_DEBUGGER();
0065         return NULL;
0066     }
0067
0068     base = &dccg_dcn->base;
0069     base->ctx = ctx;
0070     base->funcs = &dccg301_funcs;
0071
0072     dccg_dcn->regs = regs;
0073     dccg_dcn->dccg_shift = dccg_shift;
0074     dccg_dcn->dccg_mask = dccg_mask;
0075
0076     return &dccg_dcn->base;
0077 }
0078