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/*
* Copyright 2020 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "dc_bios_types.h"
#include "dcn30_afmt.h"
#include "reg_helper.h"
#define DC_LOGGER \
afmt3->base.ctx->logger
#define REG(reg)\
(afmt3->regs->reg)
#undef FN
#define FN(reg_name, field_name) \
afmt3->afmt_shift->field_name, afmt3->afmt_mask->field_name
#define CTX \
afmt3->base.ctx
static void afmt3_setup_hdmi_audio(
struct afmt *afmt)
{
struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
/* AFMT_AUDIO_PACKET_CONTROL */
REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
/* AFMT_AUDIO_PACKET_CONTROL2 */
REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,
AFMT_AUDIO_LAYOUT_OVRD, 0,
AFMT_60958_OSF_OVRD, 0);
/* AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L_MASK &
* AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK
*/
REG_UPDATE_2(AFMT_60958_0,
AFMT_60958_CS_CHANNEL_NUMBER_L, 1,
AFMT_60958_CS_CLOCK_ACCURACY, 0);
/* AFMT_60958_1 AFMT_60958_CS_CHALNNEL_NUMBER_R */
REG_UPDATE(AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
/* AFMT_60958_2 now keep this settings until
* Programming guide comes out
*/
REG_UPDATE_6(AFMT_60958_2,
AFMT_60958_CS_CHANNEL_NUMBER_2, 3,
AFMT_60958_CS_CHANNEL_NUMBER_3, 4,
AFMT_60958_CS_CHANNEL_NUMBER_4, 5,
AFMT_60958_CS_CHANNEL_NUMBER_5, 6,
AFMT_60958_CS_CHANNEL_NUMBER_6, 7,
AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
}
static union audio_cea_channels speakers_to_channels(
struct audio_speaker_flags speaker_flags)
{
union audio_cea_channels cea_channels = {0};
/* these are one to one */
cea_channels.channels.FL = speaker_flags.FL_FR;
cea_channels.channels.FR = speaker_flags.FL_FR;
cea_channels.channels.LFE = speaker_flags.LFE;
cea_channels.channels.FC = speaker_flags.FC;
/* if Rear Left and Right exist move RC speaker to channel 7
* otherwise to channel 5
*/
if (speaker_flags.RL_RR) {
cea_channels.channels.RL_RC = speaker_flags.RL_RR;
cea_channels.channels.RR = speaker_flags.RL_RR;
cea_channels.channels.RC_RLC_FLC = speaker_flags.RC;
} else {
cea_channels.channels.RL_RC = speaker_flags.RC;
}
/* FRONT Left Right Center and REAR Left Right Center are exclusive */
if (speaker_flags.FLC_FRC) {
cea_channels.channels.RC_RLC_FLC = speaker_flags.FLC_FRC;
cea_channels.channels.RRC_FRC = speaker_flags.FLC_FRC;
} else {
cea_channels.channels.RC_RLC_FLC = speaker_flags.RLC_RRC;
cea_channels.channels.RRC_FRC = speaker_flags.RLC_RRC;
}
return cea_channels;
}
static void afmt3_se_audio_setup(
struct afmt *afmt,
unsigned int az_inst,
struct audio_info *audio_info)
{
struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
uint32_t speakers = 0;
uint32_t channels = 0;
ASSERT(audio_info);
/* This should not happen.it does so we don't get BSOD*/
if (audio_info == NULL)
return;
speakers = audio_info->flags.info.ALLSPEAKERS;
channels = speakers_to_channels(audio_info->flags.speaker_flags).all;
/* setup the audio stream source select (audio -> dig mapping) */
REG_SET(AFMT_AUDIO_SRC_CONTROL, 0, AFMT_AUDIO_SRC_SELECT, az_inst);
/* Channel allocation */
REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, channels);
/* Disable forced mem power off */
REG_UPDATE(AFMT_MEM_PWR, AFMT_MEM_PWR_FORCE, 0);
}
static void afmt3_audio_mute_control(
struct afmt *afmt,
bool mute)
{
struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
/* enable/disable transmission of audio packets */
REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, !mute);
}
static void afmt3_audio_info_immediate_update(
struct afmt *afmt)
{
struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
/* update double-buffered AUDIO_INFO registers immediately */
REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
}
static void afmt3_setup_dp_audio(
struct afmt *afmt)
{
struct dcn30_afmt *afmt3 = DCN30_AFMT_FROM_AFMT(afmt);
/* AFMT_AUDIO_PACKET_CONTROL */
REG_UPDATE(AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
/* AFMT_AUDIO_PACKET_CONTROL2 */
/* Program the ATP and AIP next */
REG_UPDATE_2(AFMT_AUDIO_PACKET_CONTROL2,
AFMT_AUDIO_LAYOUT_OVRD, 0,
AFMT_60958_OSF_OVRD, 0);
/* AFMT_INFOFRAME_CONTROL0 */
REG_UPDATE(AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
/* AFMT_60958_0__AFMT_60958_CS_CLOCK_ACCURACY_MASK */
REG_UPDATE(AFMT_60958_0, AFMT_60958_CS_CLOCK_ACCURACY, 0);
}
static struct afmt_funcs dcn30_afmt_funcs = {
.setup_hdmi_audio = afmt3_setup_hdmi_audio,
.se_audio_setup = afmt3_se_audio_setup,
.audio_mute_control = afmt3_audio_mute_control,
.audio_info_immediate_update = afmt3_audio_info_immediate_update,
.setup_dp_audio = afmt3_setup_dp_audio,
};
void 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)
{
afmt3->base.ctx = ctx;
afmt3->base.inst = inst;
afmt3->base.funcs = &dcn30_afmt_funcs;
afmt3->regs = afmt_regs;
afmt3->afmt_shift = afmt_shift;
afmt3->afmt_mask = afmt_mask;
}
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