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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
27#include "dc_bios_types.h"
28#include "dcn30_afmt.h"
29#include "reg_helper.h"
30
31#define DC_LOGGER \
32 afmt3->base.ctx->logger
33
34#define REG(reg)\
35 (afmt3->regs->reg)
36
37#undef FN
38#define FN(reg_name, field_name) \
39 afmt3->afmt_shift->field_name, afmt3->afmt_mask->field_name
40
41
42#define CTX \
43 afmt3->base.ctx
44
45
46static void afmt3_setup_hdmi_audio(
47 struct afmt *afmt)
48{
49 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
50
51 /* AFMT_AUDIO_PACKET_CONTROL */
52 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
53
54 /* AFMT_AUDIO_PACKET_CONTROL2 */
55 REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,
56 AFMT_AUDIO_LAYOUT_OVRD, 0,
57 AFMT_60958_OSF_OVRD, 0);
58
59 /* AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L_MASK &
60 * AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK
61 */
62 REG_UPDATE_2(AFMT_60958_0,
63 AFMT_60958_CS_CHANNEL_NUMBER_L, 1,
64 AFMT_60958_CS_CLOCK_ACCURACY, 0);
65
66 /* AFMT_60958_1 AFMT_60958_CS_CHALNNEL_NUMBER_R */
67 REG_UPDATE(AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
68
69 /* AFMT_60958_2 now keep this settings until
70 * Programming guide comes out
71 */
72 REG_UPDATE_6(AFMT_60958_2,
73 AFMT_60958_CS_CHANNEL_NUMBER_2, 3,
74 AFMT_60958_CS_CHANNEL_NUMBER_3, 4,
75 AFMT_60958_CS_CHANNEL_NUMBER_4, 5,
76 AFMT_60958_CS_CHANNEL_NUMBER_5, 6,
77 AFMT_60958_CS_CHANNEL_NUMBER_6, 7,
78 AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
79}
80
81static union audio_cea_channels speakers_to_channels(
82 struct audio_speaker_flags speaker_flags)
83{
84 union audio_cea_channels cea_channels = {0};
85
86 /* these are one to one */
87 cea_channels.channels.FL = speaker_flags.FL_FR;
88 cea_channels.channels.FR = speaker_flags.FL_FR;
89 cea_channels.channels.LFE = speaker_flags.LFE;
90 cea_channels.channels.FC = speaker_flags.FC;
91
92 /* if Rear Left and Right exist move RC speaker to channel 7
93 * otherwise to channel 5
94 */
95 if (speaker_flags.RL_RR) {
96 cea_channels.channels.RL_RC = speaker_flags.RL_RR;
97 cea_channels.channels.RR = speaker_flags.RL_RR;
98 cea_channels.channels.RC_RLC_FLC = speaker_flags.RC;
99 } else {
100 cea_channels.channels.RL_RC = speaker_flags.RC;
101 }
102
103 /* FRONT Left Right Center and REAR Left Right Center are exclusive */
104 if (speaker_flags.FLC_FRC) {
105 cea_channels.channels.RC_RLC_FLC = speaker_flags.FLC_FRC;
106 cea_channels.channels.RRC_FRC = speaker_flags.FLC_FRC;
107 } else {
108 cea_channels.channels.RC_RLC_FLC = speaker_flags.RLC_RRC;
109 cea_channels.channels.RRC_FRC = speaker_flags.RLC_RRC;
110 }
111
112 return cea_channels;
113}
114
115static void afmt3_se_audio_setup(
116 struct afmt *afmt,
117 unsigned int az_inst,
118 struct audio_info *audio_info)
119{
120 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
121
122 uint32_t speakers = 0;
123 uint32_t channels = 0;
124
125 ASSERT(audio_info);
126 /* This should not happen.it does so we don't get BSOD*/
127 if (audio_info == NULL)
128 return;
129
130 speakers = audio_info->flags.info.ALLSPEAKERS;
131 channels = speakers_to_channels(audio_info->flags.speaker_flags).all;
132
133 /* setup the audio stream source select (audio -> dig mapping) */
134 REG_SET(AFMT_AUDIO_SRC_CONTROL, 0, AFMT_AUDIO_SRC_SELECT, az_inst);
135
136 /* Channel allocation */
137 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, channels);
138
139 /* Disable forced mem power off */
140 REG_UPDATE(AFMT_MEM_PWR, AFMT_MEM_PWR_FORCE, 0);
141}
142
143static void afmt3_audio_mute_control(
144 struct afmt *afmt,
145 bool mute)
146{
147 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
148
149 /* enable/disable transmission of audio packets */
150 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, !mute);
151}
152
153static void afmt3_audio_info_immediate_update(
154 struct afmt *afmt)
155{
156 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
157
158 /* update double-buffered AUDIO_INFO registers immediately */
159 REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
160}
161
162static void afmt3_setup_dp_audio(
163 struct afmt *afmt)
164{
165 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
166
167 /* AFMT_AUDIO_PACKET_CONTROL */
168 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
169
170 /* AFMT_AUDIO_PACKET_CONTROL2 */
171 /* Program the ATP and AIP next */
172 REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,
173 AFMT_AUDIO_LAYOUT_OVRD, 0,
174 AFMT_60958_OSF_OVRD, 0);
175
176 /* AFMT_INFOFRAME_CONTROL0 */
177 REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
178
179 /* AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK */
180 REG_UPDATE(AFMT_60958_0, AFMT_60958_CS_CLOCK_ACCURACY, 0);
181}
182
183static struct afmt_funcs dcn30_afmt_funcs = {
184 .setup_hdmi_audio = afmt3_setup_hdmi_audio,
185 .se_audio_setup = afmt3_se_audio_setup,
186 .audio_mute_control = afmt3_audio_mute_control,
187 .audio_info_immediate_update = afmt3_audio_info_immediate_update,
188 .setup_dp_audio = afmt3_setup_dp_audio,
189};
190
191void afmt3_construct(struct dcn30_afmt *afmt3,
192 struct dc_context *ctx,
193 uint32_t inst,
194 const struct dcn30_afmt_registers *afmt_regs,
195 const struct dcn30_afmt_shift *afmt_shift,
196 const struct dcn30_afmt_mask *afmt_mask)
197{
198 afmt3->base.ctx = ctx;
199
200 afmt3->base.inst = inst;
201 afmt3->base.funcs = &dcn30_afmt_funcs;
202
203 afmt3->regs = afmt_regs;
204 afmt3->afmt_shift = afmt_shift;
205 afmt3->afmt_mask = afmt_mask;
206}