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 "dcn30_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 
46 static const struct dccg_funcs dccg3_funcs = {
47 	.update_dpp_dto = dccg2_update_dpp_dto,
48 	.get_dccg_ref_freq = dccg2_get_dccg_ref_freq,
49 	.dccg_init = dccg2_init
50 };
51 
52 struct dccg *dccg3_create(
53 	struct dc_context *ctx,
54 	const struct dccg_registers *regs,
55 	const struct dccg_shift *dccg_shift,
56 	const struct dccg_mask *dccg_mask)
57 {
58 	struct dcn_dccg *dccg_dcn = kzalloc(sizeof(*dccg_dcn), GFP_KERNEL);
59 	struct dccg *base;
60 
61 	if (dccg_dcn == NULL) {
62 		BREAK_TO_DEBUGGER();
63 		return NULL;
64 	}
65 
66 	base = &dccg_dcn->base;
67 	base->ctx = ctx;
68 	base->funcs = &dccg3_funcs;
69 
70 	dccg_dcn->regs = regs;
71 	dccg_dcn->dccg_shift = dccg_shift;
72 	dccg_dcn->dccg_mask = dccg_mask;
73 
74 	return &dccg_dcn->base;
75 }
76 
77 struct dccg *dccg30_create(
78 	struct dc_context *ctx,
79 	const struct dccg_registers *regs,
80 	const struct dccg_shift *dccg_shift,
81 	const struct dccg_mask *dccg_mask)
82 {
83 	struct dcn_dccg *dccg_dcn = kzalloc(sizeof(*dccg_dcn), GFP_KERNEL);
84 	struct dccg *base;
85 
86 	if (dccg_dcn == NULL) {
87 		BREAK_TO_DEBUGGER();
88 		return NULL;
89 	}
90 
91 	base = &dccg_dcn->base;
92 	base->ctx = ctx;
93 	base->funcs = &dccg3_funcs;
94 
95 	dccg_dcn->regs = regs;
96 	dccg_dcn->dccg_shift = dccg_shift;
97 	dccg_dcn->dccg_mask = dccg_mask;
98 
99 	return &dccg_dcn->base;
100 }
101