1/*
2 * Copyright 2019 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 "dc_bios_types.h"
27#include "hw_shared.h"
28#include "dcn30/dcn30_afmt.h"
29#include "dcn31_afmt.h"
30#include "reg_helper.h"
31#include "dc/dc.h"
32
33#define DC_LOGGER \
34 afmt31->base.ctx->logger
35
36#define REG(reg)\
37 (afmt31->regs->reg)
38
39#undef FN
40#define FN(reg_name, field_name) \
41 afmt31->afmt_shift->field_name, afmt31->afmt_mask->field_name
42
43
44#define CTX \
45 afmt31->base.ctx
46
47static struct afmt_funcs dcn31_afmt_funcs = {
48 .setup_hdmi_audio = afmt3_setup_hdmi_audio,
49 .se_audio_setup = afmt3_se_audio_setup,
50 .audio_mute_control = afmt3_audio_mute_control,
51 .audio_info_immediate_update = afmt3_audio_info_immediate_update,
52 .setup_dp_audio = afmt3_setup_dp_audio,
53 .afmt_powerdown = afmt31_powerdown,
54 .afmt_poweron = afmt31_poweron
55};
56
57void afmt31_powerdown(struct afmt *afmt)
58{
59 struct dcn31_afmt *afmt31 = DCN31_AFMT_FROM_AFMT(afmt);
60
61 if (afmt->ctx->dc->debug.enable_mem_low_power.bits.afmt == false)
62 return;
63
64 REG_UPDATE_2(AFMT_MEM_PWR, AFMT_MEM_PWR_DIS, 0, AFMT_MEM_PWR_FORCE, 1);
65}
66
67void afmt31_poweron(struct afmt *afmt)
68{
69 struct dcn31_afmt *afmt31 = DCN31_AFMT_FROM_AFMT(afmt);
70
71 if (afmt->ctx->dc->debug.enable_mem_low_power.bits.afmt == false)
72 return;
73
74 REG_UPDATE_2(AFMT_MEM_PWR, AFMT_MEM_PWR_DIS, 1, AFMT_MEM_PWR_FORCE, 0);
75}
76
77void afmt31_construct(struct dcn31_afmt *afmt31,
78 struct dc_context *ctx,
79 uint32_t inst,
80 const struct dcn31_afmt_registers *afmt_regs,
81 const struct dcn31_afmt_shift *afmt_shift,
82 const struct dcn31_afmt_mask *afmt_mask)
83{
84 afmt31->base.ctx = ctx;
85
86 afmt31->base.inst = inst;
87 afmt31->base.funcs = &dcn31_afmt_funcs;
88
89 afmt31->regs = afmt_regs;
90 afmt31->afmt_shift = afmt_shift;
91 afmt31->afmt_mask = afmt_mask;
92}
93

source code of linux/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_afmt.c