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780 lines
20 KiB
780 lines
20 KiB
// SPDX-License-Identifier: GPL-2.0 |
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// |
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// MediaTek ALSA SoC Audio DAI TDM Control |
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// |
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// Copyright (c) 2020 MediaTek Inc. |
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// Author: Shane Chien <[email protected]> |
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#include <linux/regmap.h> |
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#include <sound/pcm_params.h> |
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#include "mt8192-afe-clk.h" |
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#include "mt8192-afe-common.h" |
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#include "mt8192-afe-gpio.h" |
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#include "mt8192-interconnection.h" |
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struct mtk_afe_tdm_priv { |
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int id; |
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int bck_id; |
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int bck_rate; |
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int tdm_out_mode; |
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int bck_invert; |
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int lck_invert; |
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int mclk_id; |
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int mclk_multiple; /* according to sample rate */ |
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int mclk_rate; |
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int mclk_apll; |
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}; |
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enum { |
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TDM_OUT_I2S = 0, |
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TDM_OUT_DSP_A = 1, |
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TDM_OUT_DSP_B = 2, |
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}; |
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enum { |
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TDM_BCK_NON_INV = 0, |
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TDM_BCK_INV = 1, |
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}; |
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enum { |
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TDM_LCK_NON_INV = 0, |
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TDM_LCK_INV = 1, |
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}; |
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enum { |
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TDM_WLEN_16_BIT = 1, |
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TDM_WLEN_32_BIT = 2, |
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}; |
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enum { |
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TDM_CHANNEL_BCK_16 = 0, |
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TDM_CHANNEL_BCK_24 = 1, |
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TDM_CHANNEL_BCK_32 = 2, |
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}; |
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enum { |
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TDM_CHANNEL_NUM_2 = 0, |
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TDM_CHANNEL_NUM_4 = 1, |
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TDM_CHANNEL_NUM_8 = 2, |
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}; |
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enum { |
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TDM_CH_START_O30_O31 = 0, |
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TDM_CH_START_O32_O33, |
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TDM_CH_START_O34_O35, |
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TDM_CH_START_O36_O37, |
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TDM_CH_ZERO, |
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}; |
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static unsigned int get_tdm_wlen(snd_pcm_format_t format) |
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{ |
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return snd_pcm_format_physical_width(format) <= 16 ? |
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TDM_WLEN_16_BIT : TDM_WLEN_32_BIT; |
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} |
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static unsigned int get_tdm_channel_bck(snd_pcm_format_t format) |
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{ |
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return snd_pcm_format_physical_width(format) <= 16 ? |
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TDM_CHANNEL_BCK_16 : TDM_CHANNEL_BCK_32; |
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} |
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static unsigned int get_tdm_lrck_width(snd_pcm_format_t format) |
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{ |
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return snd_pcm_format_physical_width(format) - 1; |
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} |
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static unsigned int get_tdm_ch(unsigned int ch) |
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{ |
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switch (ch) { |
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case 1: |
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case 2: |
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return TDM_CHANNEL_NUM_2; |
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case 3: |
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case 4: |
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return TDM_CHANNEL_NUM_4; |
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case 5: |
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case 6: |
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case 7: |
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case 8: |
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default: |
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return TDM_CHANNEL_NUM_8; |
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} |
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} |
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static unsigned int get_tdm_ch_fixup(unsigned int channels) |
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{ |
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if (channels > 4) |
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return 8; |
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else if (channels > 2) |
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return 4; |
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else |
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return 2; |
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} |
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static unsigned int get_tdm_ch_per_sdata(unsigned int mode, |
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unsigned int channels) |
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{ |
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if (mode == TDM_OUT_DSP_A || mode == TDM_OUT_DSP_B) |
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return get_tdm_ch_fixup(channels); |
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else |
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return 2; |
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} |
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/* interconnection */ |
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enum { |
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HDMI_CONN_CH0 = 0, |
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HDMI_CONN_CH1, |
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HDMI_CONN_CH2, |
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HDMI_CONN_CH3, |
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HDMI_CONN_CH4, |
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HDMI_CONN_CH5, |
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HDMI_CONN_CH6, |
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HDMI_CONN_CH7, |
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}; |
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static const char *const hdmi_conn_mux_map[] = { |
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"CH0", "CH1", "CH2", "CH3", |
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"CH4", "CH5", "CH6", "CH7", |
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}; |
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static int hdmi_conn_mux_map_value[] = { |
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HDMI_CONN_CH0, |
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HDMI_CONN_CH1, |
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HDMI_CONN_CH2, |
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HDMI_CONN_CH3, |
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HDMI_CONN_CH4, |
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HDMI_CONN_CH5, |
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HDMI_CONN_CH6, |
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HDMI_CONN_CH7, |
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}; |
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static SOC_VALUE_ENUM_SINGLE_DECL(hdmi_ch0_mux_map_enum, |
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AFE_HDMI_CONN0, |
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HDMI_O_0_SFT, |
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HDMI_O_0_MASK, |
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hdmi_conn_mux_map, |
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hdmi_conn_mux_map_value); |
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static const struct snd_kcontrol_new hdmi_ch0_mux_control = |
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SOC_DAPM_ENUM("HDMI_CH0_MUX", hdmi_ch0_mux_map_enum); |
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static SOC_VALUE_ENUM_SINGLE_DECL(hdmi_ch1_mux_map_enum, |
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AFE_HDMI_CONN0, |
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HDMI_O_1_SFT, |
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HDMI_O_1_MASK, |
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hdmi_conn_mux_map, |
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hdmi_conn_mux_map_value); |
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static const struct snd_kcontrol_new hdmi_ch1_mux_control = |
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SOC_DAPM_ENUM("HDMI_CH1_MUX", hdmi_ch1_mux_map_enum); |
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static SOC_VALUE_ENUM_SINGLE_DECL(hdmi_ch2_mux_map_enum, |
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AFE_HDMI_CONN0, |
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HDMI_O_2_SFT, |
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HDMI_O_2_MASK, |
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hdmi_conn_mux_map, |
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hdmi_conn_mux_map_value); |
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static const struct snd_kcontrol_new hdmi_ch2_mux_control = |
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SOC_DAPM_ENUM("HDMI_CH2_MUX", hdmi_ch2_mux_map_enum); |
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static SOC_VALUE_ENUM_SINGLE_DECL(hdmi_ch3_mux_map_enum, |
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AFE_HDMI_CONN0, |
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HDMI_O_3_SFT, |
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HDMI_O_3_MASK, |
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hdmi_conn_mux_map, |
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hdmi_conn_mux_map_value); |
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static const struct snd_kcontrol_new hdmi_ch3_mux_control = |
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SOC_DAPM_ENUM("HDMI_CH3_MUX", hdmi_ch3_mux_map_enum); |
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static SOC_VALUE_ENUM_SINGLE_DECL(hdmi_ch4_mux_map_enum, |
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AFE_HDMI_CONN0, |
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HDMI_O_4_SFT, |
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HDMI_O_4_MASK, |
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hdmi_conn_mux_map, |
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hdmi_conn_mux_map_value); |
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static const struct snd_kcontrol_new hdmi_ch4_mux_control = |
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SOC_DAPM_ENUM("HDMI_CH4_MUX", hdmi_ch4_mux_map_enum); |
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static SOC_VALUE_ENUM_SINGLE_DECL(hdmi_ch5_mux_map_enum, |
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AFE_HDMI_CONN0, |
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HDMI_O_5_SFT, |
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HDMI_O_5_MASK, |
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hdmi_conn_mux_map, |
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hdmi_conn_mux_map_value); |
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static const struct snd_kcontrol_new hdmi_ch5_mux_control = |
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SOC_DAPM_ENUM("HDMI_CH5_MUX", hdmi_ch5_mux_map_enum); |
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static SOC_VALUE_ENUM_SINGLE_DECL(hdmi_ch6_mux_map_enum, |
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AFE_HDMI_CONN0, |
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HDMI_O_6_SFT, |
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HDMI_O_6_MASK, |
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hdmi_conn_mux_map, |
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hdmi_conn_mux_map_value); |
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static const struct snd_kcontrol_new hdmi_ch6_mux_control = |
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SOC_DAPM_ENUM("HDMI_CH6_MUX", hdmi_ch6_mux_map_enum); |
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static SOC_VALUE_ENUM_SINGLE_DECL(hdmi_ch7_mux_map_enum, |
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AFE_HDMI_CONN0, |
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HDMI_O_7_SFT, |
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HDMI_O_7_MASK, |
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hdmi_conn_mux_map, |
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hdmi_conn_mux_map_value); |
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static const struct snd_kcontrol_new hdmi_ch7_mux_control = |
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SOC_DAPM_ENUM("HDMI_CH7_MUX", hdmi_ch7_mux_map_enum); |
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enum { |
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SUPPLY_SEQ_APLL, |
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SUPPLY_SEQ_TDM_MCK_EN, |
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SUPPLY_SEQ_TDM_BCK_EN, |
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SUPPLY_SEQ_TDM_EN, |
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}; |
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static int get_tdm_id_by_name(const char *name) |
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{ |
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return MT8192_DAI_TDM; |
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} |
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static int mtk_tdm_en_event(struct snd_soc_dapm_widget *w, |
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struct snd_kcontrol *kcontrol, |
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int event) |
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{ |
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struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm); |
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); |
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struct mt8192_afe_private *afe_priv = afe->platform_priv; |
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int dai_id = get_tdm_id_by_name(w->name); |
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; |
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if (!tdm_priv) { |
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dev_warn(afe->dev, "%s(), tdm_priv == NULL", __func__); |
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return -EINVAL; |
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} |
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dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n", |
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__func__, w->name, event); |
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switch (event) { |
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case SND_SOC_DAPM_PRE_PMU: |
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mt8192_afe_gpio_request(afe->dev, true, tdm_priv->id, 0); |
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break; |
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case SND_SOC_DAPM_POST_PMD: |
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mt8192_afe_gpio_request(afe->dev, false, tdm_priv->id, 0); |
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break; |
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default: |
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break; |
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} |
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return 0; |
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} |
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static int mtk_tdm_bck_en_event(struct snd_soc_dapm_widget *w, |
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struct snd_kcontrol *kcontrol, |
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int event) |
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{ |
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struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm); |
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); |
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struct mt8192_afe_private *afe_priv = afe->platform_priv; |
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int dai_id = get_tdm_id_by_name(w->name); |
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; |
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if (!tdm_priv) { |
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dev_warn(afe->dev, "%s(), tdm_priv == NULL", __func__); |
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return -EINVAL; |
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} |
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dev_info(cmpnt->dev, "%s(), name %s, event 0x%x, dai_id %d\n", |
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__func__, w->name, event, dai_id); |
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switch (event) { |
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case SND_SOC_DAPM_PRE_PMU: |
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mt8192_mck_enable(afe, tdm_priv->bck_id, tdm_priv->bck_rate); |
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break; |
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case SND_SOC_DAPM_POST_PMD: |
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mt8192_mck_disable(afe, tdm_priv->bck_id); |
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break; |
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default: |
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break; |
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} |
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return 0; |
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} |
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static int mtk_tdm_mck_en_event(struct snd_soc_dapm_widget *w, |
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struct snd_kcontrol *kcontrol, |
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int event) |
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{ |
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struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm); |
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); |
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struct mt8192_afe_private *afe_priv = afe->platform_priv; |
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int dai_id = get_tdm_id_by_name(w->name); |
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; |
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if (!tdm_priv) { |
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dev_warn(afe->dev, "%s(), tdm_priv == NULL", __func__); |
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return -EINVAL; |
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} |
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dev_info(cmpnt->dev, "%s(), name %s, event 0x%x, dai_id %d\n", |
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__func__, w->name, event, dai_id); |
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switch (event) { |
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case SND_SOC_DAPM_PRE_PMU: |
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mt8192_mck_enable(afe, tdm_priv->mclk_id, tdm_priv->mclk_rate); |
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break; |
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case SND_SOC_DAPM_POST_PMD: |
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tdm_priv->mclk_rate = 0; |
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mt8192_mck_disable(afe, tdm_priv->mclk_id); |
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break; |
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default: |
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break; |
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} |
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return 0; |
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} |
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static const struct snd_soc_dapm_widget mtk_dai_tdm_widgets[] = { |
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SND_SOC_DAPM_MUX("HDMI_CH0_MUX", SND_SOC_NOPM, 0, 0, |
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&hdmi_ch0_mux_control), |
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SND_SOC_DAPM_MUX("HDMI_CH1_MUX", SND_SOC_NOPM, 0, 0, |
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&hdmi_ch1_mux_control), |
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SND_SOC_DAPM_MUX("HDMI_CH2_MUX", SND_SOC_NOPM, 0, 0, |
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&hdmi_ch2_mux_control), |
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SND_SOC_DAPM_MUX("HDMI_CH3_MUX", SND_SOC_NOPM, 0, 0, |
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&hdmi_ch3_mux_control), |
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SND_SOC_DAPM_MUX("HDMI_CH4_MUX", SND_SOC_NOPM, 0, 0, |
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&hdmi_ch4_mux_control), |
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SND_SOC_DAPM_MUX("HDMI_CH5_MUX", SND_SOC_NOPM, 0, 0, |
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&hdmi_ch5_mux_control), |
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SND_SOC_DAPM_MUX("HDMI_CH6_MUX", SND_SOC_NOPM, 0, 0, |
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&hdmi_ch6_mux_control), |
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SND_SOC_DAPM_MUX("HDMI_CH7_MUX", SND_SOC_NOPM, 0, 0, |
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&hdmi_ch7_mux_control), |
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SND_SOC_DAPM_CLOCK_SUPPLY("aud_tdm_clk"), |
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SND_SOC_DAPM_SUPPLY_S("TDM_EN", SUPPLY_SEQ_TDM_EN, |
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AFE_TDM_CON1, TDM_EN_SFT, 0, |
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mtk_tdm_en_event, |
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), |
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SND_SOC_DAPM_SUPPLY_S("TDM_BCK", SUPPLY_SEQ_TDM_BCK_EN, |
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SND_SOC_NOPM, 0, 0, |
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mtk_tdm_bck_en_event, |
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), |
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SND_SOC_DAPM_SUPPLY_S("TDM_MCK", SUPPLY_SEQ_TDM_MCK_EN, |
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SND_SOC_NOPM, 0, 0, |
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mtk_tdm_mck_en_event, |
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), |
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}; |
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static int mtk_afe_tdm_apll_connect(struct snd_soc_dapm_widget *source, |
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struct snd_soc_dapm_widget *sink) |
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{ |
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struct snd_soc_dapm_widget *w = sink; |
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struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm); |
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); |
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struct mt8192_afe_private *afe_priv = afe->platform_priv; |
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int dai_id = get_tdm_id_by_name(w->name); |
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id]; |
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int cur_apll; |
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/* which apll */ |
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cur_apll = mt8192_get_apll_by_name(afe, source->name); |
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return (tdm_priv->mclk_apll == cur_apll) ? 1 : 0; |
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} |
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static const struct snd_soc_dapm_route mtk_dai_tdm_routes[] = { |
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{"HDMI_CH0_MUX", "CH0", "HDMI"}, |
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{"HDMI_CH0_MUX", "CH1", "HDMI"}, |
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{"HDMI_CH0_MUX", "CH2", "HDMI"}, |
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{"HDMI_CH0_MUX", "CH3", "HDMI"}, |
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{"HDMI_CH0_MUX", "CH4", "HDMI"}, |
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{"HDMI_CH0_MUX", "CH5", "HDMI"}, |
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{"HDMI_CH0_MUX", "CH6", "HDMI"}, |
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{"HDMI_CH0_MUX", "CH7", "HDMI"}, |
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{"HDMI_CH1_MUX", "CH0", "HDMI"}, |
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{"HDMI_CH1_MUX", "CH1", "HDMI"}, |
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{"HDMI_CH1_MUX", "CH2", "HDMI"}, |
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{"HDMI_CH1_MUX", "CH3", "HDMI"}, |
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{"HDMI_CH1_MUX", "CH4", "HDMI"}, |
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{"HDMI_CH1_MUX", "CH5", "HDMI"}, |
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{"HDMI_CH1_MUX", "CH6", "HDMI"}, |
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{"HDMI_CH1_MUX", "CH7", "HDMI"}, |
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{"HDMI_CH2_MUX", "CH0", "HDMI"}, |
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{"HDMI_CH2_MUX", "CH1", "HDMI"}, |
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{"HDMI_CH2_MUX", "CH2", "HDMI"}, |
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{"HDMI_CH2_MUX", "CH3", "HDMI"}, |
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{"HDMI_CH2_MUX", "CH4", "HDMI"}, |
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{"HDMI_CH2_MUX", "CH5", "HDMI"}, |
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{"HDMI_CH2_MUX", "CH6", "HDMI"}, |
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{"HDMI_CH2_MUX", "CH7", "HDMI"}, |
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|
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{"HDMI_CH3_MUX", "CH0", "HDMI"}, |
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{"HDMI_CH3_MUX", "CH1", "HDMI"}, |
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{"HDMI_CH3_MUX", "CH2", "HDMI"}, |
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{"HDMI_CH3_MUX", "CH3", "HDMI"}, |
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{"HDMI_CH3_MUX", "CH4", "HDMI"}, |
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{"HDMI_CH3_MUX", "CH5", "HDMI"}, |
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{"HDMI_CH3_MUX", "CH6", "HDMI"}, |
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{"HDMI_CH3_MUX", "CH7", "HDMI"}, |
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|
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{"HDMI_CH4_MUX", "CH0", "HDMI"}, |
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{"HDMI_CH4_MUX", "CH1", "HDMI"}, |
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{"HDMI_CH4_MUX", "CH2", "HDMI"}, |
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{"HDMI_CH4_MUX", "CH3", "HDMI"}, |
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{"HDMI_CH4_MUX", "CH4", "HDMI"}, |
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{"HDMI_CH4_MUX", "CH5", "HDMI"}, |
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{"HDMI_CH4_MUX", "CH6", "HDMI"}, |
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{"HDMI_CH4_MUX", "CH7", "HDMI"}, |
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|
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{"HDMI_CH5_MUX", "CH0", "HDMI"}, |
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{"HDMI_CH5_MUX", "CH1", "HDMI"}, |
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{"HDMI_CH5_MUX", "CH2", "HDMI"}, |
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{"HDMI_CH5_MUX", "CH3", "HDMI"}, |
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{"HDMI_CH5_MUX", "CH4", "HDMI"}, |
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{"HDMI_CH5_MUX", "CH5", "HDMI"}, |
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{"HDMI_CH5_MUX", "CH6", "HDMI"}, |
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{"HDMI_CH5_MUX", "CH7", "HDMI"}, |
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|
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{"HDMI_CH6_MUX", "CH0", "HDMI"}, |
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{"HDMI_CH6_MUX", "CH1", "HDMI"}, |
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{"HDMI_CH6_MUX", "CH2", "HDMI"}, |
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{"HDMI_CH6_MUX", "CH3", "HDMI"}, |
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{"HDMI_CH6_MUX", "CH4", "HDMI"}, |
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{"HDMI_CH6_MUX", "CH5", "HDMI"}, |
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{"HDMI_CH6_MUX", "CH6", "HDMI"}, |
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{"HDMI_CH6_MUX", "CH7", "HDMI"}, |
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|
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{"HDMI_CH7_MUX", "CH0", "HDMI"}, |
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{"HDMI_CH7_MUX", "CH1", "HDMI"}, |
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{"HDMI_CH7_MUX", "CH2", "HDMI"}, |
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{"HDMI_CH7_MUX", "CH3", "HDMI"}, |
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{"HDMI_CH7_MUX", "CH4", "HDMI"}, |
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{"HDMI_CH7_MUX", "CH5", "HDMI"}, |
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{"HDMI_CH7_MUX", "CH6", "HDMI"}, |
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{"HDMI_CH7_MUX", "CH7", "HDMI"}, |
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|
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{"TDM", NULL, "HDMI_CH0_MUX"}, |
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{"TDM", NULL, "HDMI_CH1_MUX"}, |
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{"TDM", NULL, "HDMI_CH2_MUX"}, |
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{"TDM", NULL, "HDMI_CH3_MUX"}, |
|
{"TDM", NULL, "HDMI_CH4_MUX"}, |
|
{"TDM", NULL, "HDMI_CH5_MUX"}, |
|
{"TDM", NULL, "HDMI_CH6_MUX"}, |
|
{"TDM", NULL, "HDMI_CH7_MUX"}, |
|
|
|
{"TDM", NULL, "aud_tdm_clk"}, |
|
{"TDM", NULL, "TDM_BCK"}, |
|
{"TDM", NULL, "TDM_EN"}, |
|
{"TDM_BCK", NULL, "TDM_MCK"}, |
|
{"TDM_MCK", NULL, APLL1_W_NAME, mtk_afe_tdm_apll_connect}, |
|
{"TDM_MCK", NULL, APLL2_W_NAME, mtk_afe_tdm_apll_connect}, |
|
}; |
|
|
|
/* dai ops */ |
|
static int mtk_dai_tdm_cal_mclk(struct mtk_base_afe *afe, |
|
struct mtk_afe_tdm_priv *tdm_priv, |
|
int freq) |
|
{ |
|
int apll; |
|
int apll_rate; |
|
|
|
apll = mt8192_get_apll_by_rate(afe, freq); |
|
apll_rate = mt8192_get_apll_rate(afe, apll); |
|
|
|
if (!freq || freq > apll_rate) { |
|
dev_warn(afe->dev, |
|
"%s(), freq(%d Hz) invalid\n", __func__, freq); |
|
return -EINVAL; |
|
} |
|
|
|
if (apll_rate % freq != 0) { |
|
dev_warn(afe->dev, |
|
"%s(), APLL cannot generate %d Hz", __func__, freq); |
|
return -EINVAL; |
|
} |
|
|
|
tdm_priv->mclk_rate = freq; |
|
tdm_priv->mclk_apll = apll; |
|
|
|
return 0; |
|
} |
|
|
|
static int mtk_dai_tdm_hw_params(struct snd_pcm_substream *substream, |
|
struct snd_pcm_hw_params *params, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); |
|
struct mt8192_afe_private *afe_priv = afe->platform_priv; |
|
int tdm_id = dai->id; |
|
struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[tdm_id]; |
|
unsigned int tdm_out_mode = tdm_priv->tdm_out_mode; |
|
unsigned int rate = params_rate(params); |
|
unsigned int channels = params_channels(params); |
|
unsigned int out_channels_per_sdata = |
|
get_tdm_ch_per_sdata(tdm_out_mode, channels); |
|
snd_pcm_format_t format = params_format(params); |
|
unsigned int tdm_con = 0; |
|
|
|
/* calculate mclk_rate, if not set explicitly */ |
|
if (!tdm_priv->mclk_rate) { |
|
tdm_priv->mclk_rate = rate * tdm_priv->mclk_multiple; |
|
mtk_dai_tdm_cal_mclk(afe, |
|
tdm_priv, |
|
tdm_priv->mclk_rate); |
|
} |
|
|
|
/* calculate bck */ |
|
tdm_priv->bck_rate = rate * |
|
out_channels_per_sdata * |
|
snd_pcm_format_physical_width(format); |
|
|
|
if (tdm_priv->bck_rate > tdm_priv->mclk_rate) |
|
dev_warn(afe->dev, "%s(), bck_rate > mclk_rate rate", __func__); |
|
|
|
if (tdm_priv->mclk_rate % tdm_priv->bck_rate != 0) |
|
dev_warn(afe->dev, "%s(), bck cannot generate", __func__); |
|
|
|
dev_info(afe->dev, "%s(), id %d, rate %d, channels %d, format %d, mclk_rate %d, bck_rate %d\n", |
|
__func__, |
|
tdm_id, rate, channels, format, |
|
tdm_priv->mclk_rate, tdm_priv->bck_rate); |
|
|
|
dev_info(afe->dev, "%s(), out_channels_per_sdata = %d\n", |
|
__func__, out_channels_per_sdata); |
|
|
|
/* set tdm */ |
|
if (tdm_priv->bck_invert) |
|
regmap_update_bits(afe->regmap, AUDIO_TOP_CON3, |
|
BCK_INVERSE_MASK_SFT, |
|
0x1 << BCK_INVERSE_SFT); |
|
|
|
if (tdm_priv->lck_invert) |
|
tdm_con |= 1 << LRCK_INVERSE_SFT; |
|
|
|
if (tdm_priv->tdm_out_mode == TDM_OUT_I2S) { |
|
tdm_con |= 1 << DELAY_DATA_SFT; |
|
tdm_con |= get_tdm_lrck_width(format) << LRCK_TDM_WIDTH_SFT; |
|
} else if (tdm_priv->tdm_out_mode == TDM_OUT_DSP_A) { |
|
tdm_con |= 0 << DELAY_DATA_SFT; |
|
tdm_con |= 0 << LRCK_TDM_WIDTH_SFT; |
|
} else if (tdm_priv->tdm_out_mode == TDM_OUT_DSP_B) { |
|
tdm_con |= 1 << DELAY_DATA_SFT; |
|
tdm_con |= 0 << LRCK_TDM_WIDTH_SFT; |
|
} |
|
|
|
tdm_con |= 1 << LEFT_ALIGN_SFT; |
|
tdm_con |= get_tdm_wlen(format) << WLEN_SFT; |
|
tdm_con |= get_tdm_ch(out_channels_per_sdata) << CHANNEL_NUM_SFT; |
|
tdm_con |= get_tdm_channel_bck(format) << CHANNEL_BCK_CYCLES_SFT; |
|
regmap_write(afe->regmap, AFE_TDM_CON1, tdm_con); |
|
|
|
if (out_channels_per_sdata == 2) { |
|
switch (channels) { |
|
case 1: |
|
case 2: |
|
tdm_con = TDM_CH_START_O30_O31 << ST_CH_PAIR_SOUT0_SFT; |
|
tdm_con |= TDM_CH_ZERO << ST_CH_PAIR_SOUT1_SFT; |
|
tdm_con |= TDM_CH_ZERO << ST_CH_PAIR_SOUT2_SFT; |
|
tdm_con |= TDM_CH_ZERO << ST_CH_PAIR_SOUT3_SFT; |
|
break; |
|
case 3: |
|
case 4: |
|
tdm_con = TDM_CH_START_O30_O31 << ST_CH_PAIR_SOUT0_SFT; |
|
tdm_con |= TDM_CH_START_O32_O33 << ST_CH_PAIR_SOUT1_SFT; |
|
tdm_con |= TDM_CH_ZERO << ST_CH_PAIR_SOUT2_SFT; |
|
tdm_con |= TDM_CH_ZERO << ST_CH_PAIR_SOUT3_SFT; |
|
break; |
|
case 5: |
|
case 6: |
|
tdm_con = TDM_CH_START_O30_O31 << ST_CH_PAIR_SOUT0_SFT; |
|
tdm_con |= TDM_CH_START_O32_O33 << ST_CH_PAIR_SOUT1_SFT; |
|
tdm_con |= TDM_CH_START_O34_O35 << ST_CH_PAIR_SOUT2_SFT; |
|
tdm_con |= TDM_CH_ZERO << ST_CH_PAIR_SOUT3_SFT; |
|
break; |
|
case 7: |
|
case 8: |
|
tdm_con = TDM_CH_START_O30_O31 << ST_CH_PAIR_SOUT0_SFT; |
|
tdm_con |= TDM_CH_START_O32_O33 << ST_CH_PAIR_SOUT1_SFT; |
|
tdm_con |= TDM_CH_START_O34_O35 << ST_CH_PAIR_SOUT2_SFT; |
|
tdm_con |= TDM_CH_START_O36_O37 << ST_CH_PAIR_SOUT3_SFT; |
|
break; |
|
default: |
|
tdm_con = 0; |
|
} |
|
} else { |
|
tdm_con = TDM_CH_START_O30_O31 << ST_CH_PAIR_SOUT0_SFT; |
|
tdm_con |= TDM_CH_ZERO << ST_CH_PAIR_SOUT1_SFT; |
|
tdm_con |= TDM_CH_ZERO << ST_CH_PAIR_SOUT2_SFT; |
|
tdm_con |= TDM_CH_ZERO << ST_CH_PAIR_SOUT3_SFT; |
|
} |
|
|
|
regmap_write(afe->regmap, AFE_TDM_CON2, tdm_con); |
|
|
|
regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0, |
|
HDMI_CH_NUM_MASK_SFT, |
|
channels << HDMI_CH_NUM_SFT); |
|
return 0; |
|
} |
|
|
|
static int mtk_dai_tdm_set_sysclk(struct snd_soc_dai *dai, |
|
int clk_id, unsigned int freq, int dir) |
|
{ |
|
struct mtk_base_afe *afe = dev_get_drvdata(dai->dev); |
|
struct mt8192_afe_private *afe_priv = afe->platform_priv; |
|
struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai->id]; |
|
|
|
if (!tdm_priv) { |
|
dev_warn(afe->dev, "%s(), tdm_priv == NULL", __func__); |
|
return -EINVAL; |
|
} |
|
|
|
if (dir != SND_SOC_CLOCK_OUT) { |
|
dev_warn(afe->dev, "%s(), dir != SND_SOC_CLOCK_OUT", __func__); |
|
return -EINVAL; |
|
} |
|
|
|
dev_info(afe->dev, "%s(), freq %d\n", __func__, freq); |
|
|
|
return mtk_dai_tdm_cal_mclk(afe, tdm_priv, freq); |
|
} |
|
|
|
static int mtk_dai_tdm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
|
{ |
|
struct mtk_base_afe *afe = dev_get_drvdata(dai->dev); |
|
struct mt8192_afe_private *afe_priv = afe->platform_priv; |
|
struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai->id]; |
|
|
|
if (!tdm_priv) { |
|
dev_warn(afe->dev, "%s(), tdm_priv == NULL", __func__); |
|
return -EINVAL; |
|
} |
|
|
|
/* DAI mode*/ |
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
|
case SND_SOC_DAIFMT_I2S: |
|
tdm_priv->tdm_out_mode = TDM_OUT_I2S; |
|
break; |
|
case SND_SOC_DAIFMT_DSP_A: |
|
tdm_priv->tdm_out_mode = TDM_OUT_DSP_A; |
|
break; |
|
case SND_SOC_DAIFMT_DSP_B: |
|
tdm_priv->tdm_out_mode = TDM_OUT_DSP_B; |
|
break; |
|
default: |
|
tdm_priv->tdm_out_mode = TDM_OUT_I2S; |
|
} |
|
|
|
/* DAI clock inversion*/ |
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
|
case SND_SOC_DAIFMT_NB_NF: |
|
tdm_priv->bck_invert = TDM_BCK_NON_INV; |
|
tdm_priv->lck_invert = TDM_LCK_NON_INV; |
|
break; |
|
case SND_SOC_DAIFMT_NB_IF: |
|
tdm_priv->bck_invert = TDM_BCK_NON_INV; |
|
tdm_priv->lck_invert = TDM_LCK_INV; |
|
break; |
|
case SND_SOC_DAIFMT_IB_NF: |
|
tdm_priv->bck_invert = TDM_BCK_INV; |
|
tdm_priv->lck_invert = TDM_LCK_NON_INV; |
|
break; |
|
case SND_SOC_DAIFMT_IB_IF: |
|
default: |
|
tdm_priv->bck_invert = TDM_BCK_INV; |
|
tdm_priv->lck_invert = TDM_LCK_INV; |
|
break; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static const struct snd_soc_dai_ops mtk_dai_tdm_ops = { |
|
.hw_params = mtk_dai_tdm_hw_params, |
|
.set_sysclk = mtk_dai_tdm_set_sysclk, |
|
.set_fmt = mtk_dai_tdm_set_fmt, |
|
}; |
|
|
|
/* dai driver */ |
|
#define MTK_TDM_RATES (SNDRV_PCM_RATE_8000_48000 |\ |
|
SNDRV_PCM_RATE_88200 |\ |
|
SNDRV_PCM_RATE_96000 |\ |
|
SNDRV_PCM_RATE_176400 |\ |
|
SNDRV_PCM_RATE_192000) |
|
|
|
#define MTK_TDM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ |
|
SNDRV_PCM_FMTBIT_S24_LE |\ |
|
SNDRV_PCM_FMTBIT_S32_LE) |
|
|
|
static struct snd_soc_dai_driver mtk_dai_tdm_driver[] = { |
|
{ |
|
.name = "TDM", |
|
.id = MT8192_DAI_TDM, |
|
.playback = { |
|
.stream_name = "TDM", |
|
.channels_min = 2, |
|
.channels_max = 8, |
|
.rates = MTK_TDM_RATES, |
|
.formats = MTK_TDM_FORMATS, |
|
}, |
|
.ops = &mtk_dai_tdm_ops, |
|
}, |
|
}; |
|
|
|
static struct mtk_afe_tdm_priv *init_tdm_priv_data(struct mtk_base_afe *afe) |
|
{ |
|
struct mtk_afe_tdm_priv *tdm_priv; |
|
|
|
tdm_priv = devm_kzalloc(afe->dev, sizeof(struct mtk_afe_tdm_priv), |
|
GFP_KERNEL); |
|
if (!tdm_priv) |
|
return NULL; |
|
|
|
tdm_priv->mclk_multiple = 512; |
|
tdm_priv->bck_id = MT8192_I2S4_BCK; |
|
tdm_priv->mclk_id = MT8192_I2S4_MCK; |
|
tdm_priv->id = MT8192_DAI_TDM; |
|
|
|
return tdm_priv; |
|
} |
|
|
|
int mt8192_dai_tdm_register(struct mtk_base_afe *afe) |
|
{ |
|
struct mt8192_afe_private *afe_priv = afe->platform_priv; |
|
struct mtk_afe_tdm_priv *tdm_priv; |
|
struct mtk_base_afe_dai *dai; |
|
|
|
dev_info(afe->dev, "%s()\n", __func__); |
|
|
|
dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL); |
|
if (!dai) |
|
return -ENOMEM; |
|
|
|
list_add(&dai->list, &afe->sub_dais); |
|
|
|
dai->dai_drivers = mtk_dai_tdm_driver; |
|
dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_tdm_driver); |
|
|
|
dai->dapm_widgets = mtk_dai_tdm_widgets; |
|
dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_tdm_widgets); |
|
dai->dapm_routes = mtk_dai_tdm_routes; |
|
dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_tdm_routes); |
|
|
|
tdm_priv = init_tdm_priv_data(afe); |
|
if (!tdm_priv) |
|
return -ENOMEM; |
|
|
|
afe_priv->dai_priv[MT8192_DAI_TDM] = tdm_priv; |
|
|
|
return 0; |
|
}
|
|
|