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(size: 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}
86

source code of linux/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dccg.c