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 "hw_shared.h"
29 #include "dcn30_afmt.h"
30 #include "reg_helper.h"
31
32 #define DC_LOGGER \
33 afmt3->base.ctx->logger
34
35 #define REG(reg)\
36 (afmt3->regs->reg)
37
38 #undef FN
39 #define FN(reg_name, field_name) \
40 afmt3->afmt_shift->field_name, afmt3->afmt_mask->field_name
41
42
43 #define CTX \
44 afmt3->base.ctx
45
46
afmt3_setup_hdmi_audio(struct afmt * afmt)47 static void afmt3_setup_hdmi_audio(
48 struct afmt *afmt)
49 {
50 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
51
52 /* AFMT_AUDIO_PACKET_CONTROL */
53 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
54
55 /* AFMT_AUDIO_PACKET_CONTROL2 */
56 REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,
57 AFMT_AUDIO_LAYOUT_OVRD, 0,
58 AFMT_60958_OSF_OVRD, 0);
59
60 /* AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L_MASK &
61 * AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK
62 */
63 REG_UPDATE_2(AFMT_60958_0,
64 AFMT_60958_CS_CHANNEL_NUMBER_L, 1,
65 AFMT_60958_CS_CLOCK_ACCURACY, 0);
66
67 /* AFMT_60958_1 AFMT_60958_CS_CHALNNEL_NUMBER_R */
68 REG_UPDATE(AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
69
70 /* AFMT_60958_2 now keep this settings until
71 * Programming guide comes out
72 */
73 REG_UPDATE_6(AFMT_60958_2,
74 AFMT_60958_CS_CHANNEL_NUMBER_2, 3,
75 AFMT_60958_CS_CHANNEL_NUMBER_3, 4,
76 AFMT_60958_CS_CHANNEL_NUMBER_4, 5,
77 AFMT_60958_CS_CHANNEL_NUMBER_5, 6,
78 AFMT_60958_CS_CHANNEL_NUMBER_6, 7,
79 AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
80 }
81
speakers_to_channels(struct audio_speaker_flags speaker_flags)82 static union audio_cea_channels speakers_to_channels(
83 struct audio_speaker_flags speaker_flags)
84 {
85 union audio_cea_channels cea_channels = {0};
86
87 /* these are one to one */
88 cea_channels.channels.FL = speaker_flags.FL_FR;
89 cea_channels.channels.FR = speaker_flags.FL_FR;
90 cea_channels.channels.LFE = speaker_flags.LFE;
91 cea_channels.channels.FC = speaker_flags.FC;
92
93 /* if Rear Left and Right exist move RC speaker to channel 7
94 * otherwise to channel 5
95 */
96 if (speaker_flags.RL_RR) {
97 cea_channels.channels.RL_RC = speaker_flags.RL_RR;
98 cea_channels.channels.RR = speaker_flags.RL_RR;
99 cea_channels.channels.RC_RLC_FLC = speaker_flags.RC;
100 } else {
101 cea_channels.channels.RL_RC = speaker_flags.RC;
102 }
103
104 /* FRONT Left Right Center and REAR Left Right Center are exclusive */
105 if (speaker_flags.FLC_FRC) {
106 cea_channels.channels.RC_RLC_FLC = speaker_flags.FLC_FRC;
107 cea_channels.channels.RRC_FRC = speaker_flags.FLC_FRC;
108 } else {
109 cea_channels.channels.RC_RLC_FLC = speaker_flags.RLC_RRC;
110 cea_channels.channels.RRC_FRC = speaker_flags.RLC_RRC;
111 }
112
113 return cea_channels;
114 }
115
afmt3_se_audio_setup(struct afmt * afmt,unsigned int az_inst,struct audio_info * audio_info)116 static void afmt3_se_audio_setup(
117 struct afmt *afmt,
118 unsigned int az_inst,
119 struct audio_info *audio_info)
120 {
121 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
122
123 uint32_t speakers = 0;
124 uint32_t channels = 0;
125
126 ASSERT(audio_info);
127 /* This should not happen.it does so we don't get BSOD*/
128 if (audio_info == NULL)
129 return;
130
131 speakers = audio_info->flags.info.ALLSPEAKERS;
132 channels = speakers_to_channels(audio_info->flags.speaker_flags).all;
133
134 /* setup the audio stream source select (audio -> dig mapping) */
135 REG_SET(AFMT_AUDIO_SRC_CONTROL, 0, AFMT_AUDIO_SRC_SELECT, az_inst);
136
137 /* Channel allocation */
138 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, channels);
139
140 /* Disable forced mem power off */
141 REG_UPDATE(AFMT_MEM_PWR, AFMT_MEM_PWR_FORCE, 0);
142 }
143
afmt3_audio_mute_control(struct afmt * afmt,bool mute)144 static void afmt3_audio_mute_control(
145 struct afmt *afmt,
146 bool mute)
147 {
148 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
149
150 /* enable/disable transmission of audio packets */
151 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, !mute);
152 }
153
afmt3_audio_info_immediate_update(struct afmt * afmt)154 static void afmt3_audio_info_immediate_update(
155 struct afmt *afmt)
156 {
157 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
158
159 /* update double-buffered AUDIO_INFO registers immediately */
160 REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
161 }
162
afmt3_setup_dp_audio(struct afmt * afmt)163 static void afmt3_setup_dp_audio(
164 struct afmt *afmt)
165 {
166 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
167
168 /* AFMT_AUDIO_PACKET_CONTROL */
169 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
170
171 /* AFMT_AUDIO_PACKET_CONTROL2 */
172 /* Program the ATP and AIP next */
173 REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,
174 AFMT_AUDIO_LAYOUT_OVRD, 0,
175 AFMT_60958_OSF_OVRD, 0);
176
177 /* AFMT_INFOFRAME_CONTROL0 */
178 REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
179
180 /* AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK */
181 REG_UPDATE(AFMT_60958_0, AFMT_60958_CS_CLOCK_ACCURACY, 0);
182 }
183
184 static struct afmt_funcs dcn30_afmt_funcs = {
185 .setup_hdmi_audio = afmt3_setup_hdmi_audio,
186 .se_audio_setup = afmt3_se_audio_setup,
187 .audio_mute_control = afmt3_audio_mute_control,
188 .audio_info_immediate_update = afmt3_audio_info_immediate_update,
189 .setup_dp_audio = afmt3_setup_dp_audio,
190 };
191
afmt3_construct(struct dcn30_afmt * afmt3,struct dc_context * ctx,uint32_t inst,const struct dcn30_afmt_registers * afmt_regs,const struct dcn30_afmt_shift * afmt_shift,const struct dcn30_afmt_mask * afmt_mask)192 void afmt3_construct(struct dcn30_afmt *afmt3,
193 struct dc_context *ctx,
194 uint32_t inst,
195 const struct dcn30_afmt_registers *afmt_regs,
196 const struct dcn30_afmt_shift *afmt_shift,
197 const struct dcn30_afmt_mask *afmt_mask)
198 {
199 afmt3->base.ctx = ctx;
200
201 afmt3->base.inst = inst;
202 afmt3->base.funcs = &dcn30_afmt_funcs;
203
204 afmt3->regs = afmt_regs;
205 afmt3->afmt_shift = afmt_shift;
206 afmt3->afmt_mask = afmt_mask;
207 }
208