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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 "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
 47void 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
 85static 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
119void 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
146void 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
159void 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
168void 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
192static 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
200void 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}