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 void afmt3_setup_hdmi_audio(
48 struct afmt *afmt)
49 {
50 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
51
52 if (afmt->funcs->afmt_poweron)
53 afmt->funcs->afmt_poweron(afmt);
54
55 /* AFMT_AUDIO_PACKET_CONTROL */
56 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
57
58 /* AFMT_AUDIO_PACKET_CONTROL2 */
59 REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,
60 AFMT_AUDIO_LAYOUT_OVRD, 0,
61 AFMT_60958_OSF_OVRD, 0);
62
63 /* AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L_MASK &
64 * AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK
65 */
66 REG_UPDATE_2(AFMT_60958_0,
67 AFMT_60958_CS_CHANNEL_NUMBER_L, 1,
68 AFMT_60958_CS_CLOCK_ACCURACY, 0);
69
70 /* AFMT_60958_1 AFMT_60958_CS_CHALNNEL_NUMBER_R */
71 REG_UPDATE(AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
72
73 /* AFMT_60958_2 now keep this settings until
74 * Programming guide comes out
75 */
76 REG_UPDATE_6(AFMT_60958_2,
77 AFMT_60958_CS_CHANNEL_NUMBER_2, 3,
78 AFMT_60958_CS_CHANNEL_NUMBER_3, 4,
79 AFMT_60958_CS_CHANNEL_NUMBER_4, 5,
80 AFMT_60958_CS_CHANNEL_NUMBER_5, 6,
81 AFMT_60958_CS_CHANNEL_NUMBER_6, 7,
82 AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
83 }
84
speakers_to_channels(struct audio_speaker_flags speaker_flags)85 static union audio_cea_channels speakers_to_channels(
86 struct audio_speaker_flags speaker_flags)
87 {
88 union audio_cea_channels cea_channels = {0};
89
90 /* these are one to one */
91 cea_channels.channels.FL = speaker_flags.FL_FR;
92 cea_channels.channels.FR = speaker_flags.FL_FR;
93 cea_channels.channels.LFE = speaker_flags.LFE;
94 cea_channels.channels.FC = speaker_flags.FC;
95
96 /* if Rear Left and Right exist move RC speaker to channel 7
97 * otherwise to channel 5
98 */
99 if (speaker_flags.RL_RR) {
100 cea_channels.channels.RL_RC = speaker_flags.RL_RR;
101 cea_channels.channels.RR = speaker_flags.RL_RR;
102 cea_channels.channels.RC_RLC_FLC = speaker_flags.RC;
103 } else {
104 cea_channels.channels.RL_RC = speaker_flags.RC;
105 }
106
107 /* FRONT Left Right Center and REAR Left Right Center are exclusive */
108 if (speaker_flags.FLC_FRC) {
109 cea_channels.channels.RC_RLC_FLC = speaker_flags.FLC_FRC;
110 cea_channels.channels.RRC_FRC = speaker_flags.FLC_FRC;
111 } else {
112 cea_channels.channels.RC_RLC_FLC = speaker_flags.RLC_RRC;
113 cea_channels.channels.RRC_FRC = speaker_flags.RLC_RRC;
114 }
115
116 return cea_channels;
117 }
118
afmt3_se_audio_setup(struct afmt * afmt,unsigned int az_inst,struct audio_info * audio_info)119 void afmt3_se_audio_setup(
120 struct afmt *afmt,
121 unsigned int az_inst,
122 struct audio_info *audio_info)
123 {
124 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
125
126 uint32_t channels = 0;
127
128 ASSERT(audio_info);
129 /* This should not happen.it does so we don't get BSOD*/
130 if (audio_info == NULL)
131 return;
132
133 channels = speakers_to_channels(audio_info->flags.speaker_flags).all;
134
135 /* setup the audio stream source select (audio -> dig mapping) */
136 REG_SET(AFMT_AUDIO_SRC_CONTROL, 0, AFMT_AUDIO_SRC_SELECT, az_inst);
137
138 /* Channel allocation */
139 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, channels);
140
141 /* Disable forced mem power off */
142 if (afmt->funcs->afmt_poweron == NULL)
143 REG_UPDATE(AFMT_MEM_PWR, AFMT_MEM_PWR_FORCE, 0);
144 }
145
afmt3_audio_mute_control(struct afmt * afmt,bool mute)146 void afmt3_audio_mute_control(
147 struct afmt *afmt,
148 bool mute)
149 {
150 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
151 if (mute && afmt->funcs->afmt_powerdown)
152 afmt->funcs->afmt_powerdown(afmt);
153 if (!mute && afmt->funcs->afmt_poweron)
154 afmt->funcs->afmt_poweron(afmt);
155 /* enable/disable transmission of audio packets */
156 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, !mute);
157 }
158
afmt3_audio_info_immediate_update(struct afmt * afmt)159 void afmt3_audio_info_immediate_update(
160 struct afmt *afmt)
161 {
162 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
163
164 /* update double-buffered AUDIO_INFO registers immediately */
165 REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
166 }
167
afmt3_setup_dp_audio(struct afmt * afmt)168 void afmt3_setup_dp_audio(
169 struct afmt *afmt)
170 {
171 struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
172
173 if (afmt->funcs->afmt_poweron)
174 afmt->funcs->afmt_poweron(afmt);
175
176 /* AFMT_AUDIO_PACKET_CONTROL */
177 REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
178
179 /* AFMT_AUDIO_PACKET_CONTROL2 */
180 /* Program the ATP and AIP next */
181 REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,
182 AFMT_AUDIO_LAYOUT_OVRD, 0,
183 AFMT_60958_OSF_OVRD, 0);
184
185 /* AFMT_INFOFRAME_CONTROL0 */
186 REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
187
188 /* AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK */
189 REG_UPDATE(AFMT_60958_0, AFMT_60958_CS_CLOCK_ACCURACY, 0);
190 }
191
192 static struct afmt_funcs dcn30_afmt_funcs = {
193 .setup_hdmi_audio = afmt3_setup_hdmi_audio,
194 .se_audio_setup = afmt3_se_audio_setup,
195 .audio_mute_control = afmt3_audio_mute_control,
196 .audio_info_immediate_update = afmt3_audio_info_immediate_update,
197 .setup_dp_audio = afmt3_setup_dp_audio,
198 };
199
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)200 void afmt3_construct(struct dcn30_afmt *afmt3,
201 struct dc_context *ctx,
202 uint32_t inst,
203 const struct dcn30_afmt_registers *afmt_regs,
204 const struct dcn30_afmt_shift *afmt_shift,
205 const struct dcn30_afmt_mask *afmt_mask)
206 {
207 afmt3->base.ctx = ctx;
208
209 afmt3->base.inst = inst;
210 afmt3->base.funcs = &dcn30_afmt_funcs;
211
212 afmt3->regs = afmt_regs;
213 afmt3->afmt_shift = afmt_shift;
214 afmt3->afmt_mask = afmt_mask;
215 }
216