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591 lines
16 KiB
591 lines
16 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2018, The Linux Foundation. All rights reserved. |
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*/ |
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|
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#include <linux/module.h> |
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#include <linux/platform_device.h> |
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#include <linux/of_device.h> |
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#include <sound/core.h> |
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#include <sound/pcm.h> |
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#include <sound/pcm_params.h> |
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#include <sound/jack.h> |
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#include <sound/soc.h> |
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#include <linux/soundwire/sdw.h> |
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#include <uapi/linux/input-event-codes.h> |
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#include "common.h" |
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#include "qdsp6/q6afe.h" |
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#include "../codecs/rt5663.h" |
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#define DRIVER_NAME "sdm845" |
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#define DEFAULT_SAMPLE_RATE_48K 48000 |
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#define DEFAULT_MCLK_RATE 24576000 |
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#define TDM_BCLK_RATE 6144000 |
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#define MI2S_BCLK_RATE 1536000 |
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#define LEFT_SPK_TDM_TX_MASK 0x30 |
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#define RIGHT_SPK_TDM_TX_MASK 0xC0 |
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#define SPK_TDM_RX_MASK 0x03 |
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#define NUM_TDM_SLOTS 8 |
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#define SLIM_MAX_TX_PORTS 16 |
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#define SLIM_MAX_RX_PORTS 13 |
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#define WCD934X_DEFAULT_MCLK_RATE 9600000 |
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struct sdm845_snd_data { |
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struct snd_soc_jack jack; |
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bool jack_setup; |
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bool stream_prepared[AFE_PORT_MAX]; |
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struct snd_soc_card *card; |
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uint32_t pri_mi2s_clk_count; |
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uint32_t sec_mi2s_clk_count; |
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uint32_t quat_tdm_clk_count; |
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struct sdw_stream_runtime *sruntime[AFE_PORT_MAX]; |
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}; |
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static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28}; |
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static int sdm845_slim_snd_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params) |
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{ |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct snd_soc_dai *codec_dai; |
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struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card); |
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u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS]; |
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struct sdw_stream_runtime *sruntime; |
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u32 rx_ch_cnt = 0, tx_ch_cnt = 0; |
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int ret = 0, i; |
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for_each_rtd_codec_dais(rtd, i, codec_dai) { |
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sruntime = snd_soc_dai_get_sdw_stream(codec_dai, |
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substream->stream); |
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if (sruntime != ERR_PTR(-ENOTSUPP)) |
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pdata->sruntime[cpu_dai->id] = sruntime; |
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ret = snd_soc_dai_get_channel_map(codec_dai, |
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&tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch); |
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if (ret != 0 && ret != -ENOTSUPP) { |
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pr_err("failed to get codec chan map, err:%d\n", ret); |
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return ret; |
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} else if (ret == -ENOTSUPP) { |
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/* Ignore unsupported */ |
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continue; |
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} |
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
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ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, |
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rx_ch_cnt, rx_ch); |
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else |
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ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt, |
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tx_ch, 0, NULL); |
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} |
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return 0; |
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} |
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static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params) |
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{ |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct snd_soc_dai *codec_dai; |
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int ret = 0, j; |
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int channels, slot_width; |
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switch (params_format(params)) { |
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case SNDRV_PCM_FORMAT_S16_LE: |
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slot_width = 16; |
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break; |
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default: |
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dev_err(rtd->dev, "%s: invalid param format 0x%x\n", |
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__func__, params_format(params)); |
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return -EINVAL; |
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} |
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channels = params_channels(params); |
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
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ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0x3, |
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8, slot_width); |
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if (ret < 0) { |
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dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n", |
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__func__, ret); |
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goto end; |
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} |
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ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, |
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channels, tdm_slot_offset); |
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if (ret < 0) { |
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dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n", |
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__func__, ret); |
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goto end; |
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} |
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} else { |
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ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xf, 0, |
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8, slot_width); |
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if (ret < 0) { |
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dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n", |
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__func__, ret); |
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goto end; |
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} |
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ret = snd_soc_dai_set_channel_map(cpu_dai, channels, |
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tdm_slot_offset, 0, NULL); |
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if (ret < 0) { |
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dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n", |
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__func__, ret); |
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goto end; |
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} |
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} |
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for_each_rtd_codec_dais(rtd, j, codec_dai) { |
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if (!strcmp(codec_dai->component->name_prefix, "Left")) { |
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ret = snd_soc_dai_set_tdm_slot( |
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codec_dai, LEFT_SPK_TDM_TX_MASK, |
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SPK_TDM_RX_MASK, NUM_TDM_SLOTS, |
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slot_width); |
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if (ret < 0) { |
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dev_err(rtd->dev, |
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"DEV0 TDM slot err:%d\n", ret); |
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return ret; |
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} |
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} |
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if (!strcmp(codec_dai->component->name_prefix, "Right")) { |
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ret = snd_soc_dai_set_tdm_slot( |
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codec_dai, RIGHT_SPK_TDM_TX_MASK, |
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SPK_TDM_RX_MASK, NUM_TDM_SLOTS, |
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slot_width); |
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if (ret < 0) { |
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dev_err(rtd->dev, |
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"DEV1 TDM slot err:%d\n", ret); |
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return ret; |
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} |
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} |
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} |
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end: |
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return ret; |
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} |
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static int sdm845_snd_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *params) |
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{ |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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int ret = 0; |
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switch (cpu_dai->id) { |
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case PRIMARY_MI2S_RX: |
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case PRIMARY_MI2S_TX: |
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/* |
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* Use ASRC for internal clocks, as PLL rate isn't multiple |
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* of BCLK. |
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*/ |
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rt5663_sel_asrc_clk_src( |
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codec_dai->component, |
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RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER, |
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RT5663_CLK_SEL_I2S1_ASRC); |
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ret = snd_soc_dai_set_sysclk( |
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codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE, |
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SND_SOC_CLOCK_IN); |
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if (ret < 0) |
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dev_err(rtd->dev, |
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"snd_soc_dai_set_sysclk err = %d\n", ret); |
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break; |
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case QUATERNARY_TDM_RX_0: |
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case QUATERNARY_TDM_TX_0: |
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ret = sdm845_tdm_snd_hw_params(substream, params); |
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break; |
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case SLIMBUS_0_RX...SLIMBUS_6_TX: |
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ret = sdm845_slim_snd_hw_params(substream, params); |
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break; |
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case QUATERNARY_MI2S_RX: |
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break; |
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default: |
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pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); |
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break; |
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} |
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return ret; |
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} |
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static void sdm845_jack_free(struct snd_jack *jack) |
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{ |
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struct snd_soc_component *component = jack->private_data; |
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snd_soc_component_set_jack(component, NULL, NULL); |
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} |
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static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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struct snd_soc_component *component; |
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struct snd_soc_card *card = rtd->card; |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card); |
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struct snd_jack *jack; |
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/* |
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* Codec SLIMBUS configuration |
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* RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13 |
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* TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13 |
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* TX14, TX15, TX16 |
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*/ |
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unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149, |
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150, 151, 152, 153, 154, 155, 156}; |
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unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133, |
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134, 135, 136, 137, 138, 139, |
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140, 141, 142, 143}; |
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int rval, i; |
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if (!pdata->jack_setup) { |
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rval = snd_soc_card_jack_new(card, "Headset Jack", |
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SND_JACK_HEADSET | |
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SND_JACK_HEADPHONE | |
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SND_JACK_BTN_0 | SND_JACK_BTN_1 | |
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SND_JACK_BTN_2 | SND_JACK_BTN_3, |
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&pdata->jack, NULL, 0); |
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if (rval < 0) { |
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dev_err(card->dev, "Unable to add Headphone Jack\n"); |
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return rval; |
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} |
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jack = pdata->jack.jack; |
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snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); |
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snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); |
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snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP); |
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snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); |
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pdata->jack_setup = true; |
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} |
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switch (cpu_dai->id) { |
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case PRIMARY_MI2S_RX: |
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jack = pdata->jack.jack; |
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component = codec_dai->component; |
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jack->private_data = component; |
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jack->private_free = sdm845_jack_free; |
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rval = snd_soc_component_set_jack(component, |
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&pdata->jack, NULL); |
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if (rval != 0 && rval != -ENOTSUPP) { |
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dev_warn(card->dev, "Failed to set jack: %d\n", rval); |
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return rval; |
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} |
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break; |
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case SLIMBUS_0_RX...SLIMBUS_6_TX: |
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for_each_rtd_codec_dais(rtd, i, codec_dai) { |
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rval = snd_soc_dai_set_channel_map(codec_dai, |
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ARRAY_SIZE(tx_ch), |
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tx_ch, |
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ARRAY_SIZE(rx_ch), |
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rx_ch); |
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if (rval != 0 && rval != -ENOTSUPP) |
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return rval; |
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snd_soc_dai_set_sysclk(codec_dai, 0, |
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WCD934X_DEFAULT_MCLK_RATE, |
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SNDRV_PCM_STREAM_PLAYBACK); |
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} |
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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 sdm845_snd_startup(struct snd_pcm_substream *substream) |
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{ |
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unsigned int fmt = SND_SOC_DAIFMT_CBS_CFS; |
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unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS; |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
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int j; |
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int ret; |
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switch (cpu_dai->id) { |
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case PRIMARY_MI2S_RX: |
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case PRIMARY_MI2S_TX: |
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codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF; |
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if (++(data->pri_mi2s_clk_count) == 1) { |
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snd_soc_dai_set_sysclk(cpu_dai, |
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Q6AFE_LPASS_CLK_ID_MCLK_1, |
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DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); |
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snd_soc_dai_set_sysclk(cpu_dai, |
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Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT, |
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MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); |
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} |
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snd_soc_dai_set_fmt(cpu_dai, fmt); |
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snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt); |
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break; |
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case SECONDARY_MI2S_TX: |
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codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S; |
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if (++(data->sec_mi2s_clk_count) == 1) { |
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snd_soc_dai_set_sysclk(cpu_dai, |
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Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT, |
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MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE); |
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} |
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snd_soc_dai_set_fmt(cpu_dai, fmt); |
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snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt); |
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break; |
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case QUATERNARY_MI2S_RX: |
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snd_soc_dai_set_sysclk(cpu_dai, |
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Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT, |
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MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); |
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snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_CBS_CFS); |
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break; |
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case QUATERNARY_TDM_RX_0: |
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case QUATERNARY_TDM_TX_0: |
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if (++(data->quat_tdm_clk_count) == 1) { |
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snd_soc_dai_set_sysclk(cpu_dai, |
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Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT, |
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TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK); |
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} |
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codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B; |
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for_each_rtd_codec_dais(rtd, j, codec_dai) { |
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if (!strcmp(codec_dai->component->name_prefix, |
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"Left")) { |
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ret = snd_soc_dai_set_fmt( |
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codec_dai, codec_dai_fmt); |
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if (ret < 0) { |
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dev_err(rtd->dev, |
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"Left TDM fmt err:%d\n", ret); |
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return ret; |
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} |
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} |
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if (!strcmp(codec_dai->component->name_prefix, |
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"Right")) { |
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ret = snd_soc_dai_set_fmt( |
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codec_dai, codec_dai_fmt); |
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if (ret < 0) { |
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dev_err(rtd->dev, |
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"Right TDM slot err:%d\n", ret); |
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return ret; |
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} |
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} |
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} |
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break; |
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case SLIMBUS_0_RX...SLIMBUS_6_TX: |
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break; |
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default: |
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pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); |
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break; |
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} |
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return 0; |
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} |
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static void sdm845_snd_shutdown(struct snd_pcm_substream *substream) |
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{ |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct snd_soc_card *card = rtd->card; |
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struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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switch (cpu_dai->id) { |
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case PRIMARY_MI2S_RX: |
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case PRIMARY_MI2S_TX: |
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if (--(data->pri_mi2s_clk_count) == 0) { |
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snd_soc_dai_set_sysclk(cpu_dai, |
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Q6AFE_LPASS_CLK_ID_MCLK_1, |
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0, SNDRV_PCM_STREAM_PLAYBACK); |
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snd_soc_dai_set_sysclk(cpu_dai, |
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Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT, |
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0, SNDRV_PCM_STREAM_PLAYBACK); |
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} |
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break; |
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|
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case SECONDARY_MI2S_TX: |
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if (--(data->sec_mi2s_clk_count) == 0) { |
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snd_soc_dai_set_sysclk(cpu_dai, |
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Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT, |
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0, SNDRV_PCM_STREAM_CAPTURE); |
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} |
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break; |
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case QUATERNARY_TDM_RX_0: |
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case QUATERNARY_TDM_TX_0: |
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if (--(data->quat_tdm_clk_count) == 0) { |
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snd_soc_dai_set_sysclk(cpu_dai, |
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Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT, |
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0, SNDRV_PCM_STREAM_PLAYBACK); |
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} |
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break; |
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case SLIMBUS_0_RX...SLIMBUS_6_TX: |
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case QUATERNARY_MI2S_RX: |
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break; |
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default: |
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pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id); |
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break; |
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} |
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} |
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static int sdm845_snd_prepare(struct snd_pcm_substream *substream) |
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{ |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id]; |
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int ret; |
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if (!sruntime) |
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return 0; |
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if (data->stream_prepared[cpu_dai->id]) { |
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sdw_disable_stream(sruntime); |
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sdw_deprepare_stream(sruntime); |
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data->stream_prepared[cpu_dai->id] = false; |
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} |
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ret = sdw_prepare_stream(sruntime); |
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if (ret) |
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return ret; |
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|
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/** |
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* NOTE: there is a strict hw requirement about the ordering of port |
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* enables and actual WSA881x PA enable. PA enable should only happen |
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* after soundwire ports are enabled if not DC on the line is |
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* accumulated resulting in Click/Pop Noise |
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* PA enable/mute are handled as part of codec DAPM and digital mute. |
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*/ |
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ret = sdw_enable_stream(sruntime); |
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if (ret) { |
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sdw_deprepare_stream(sruntime); |
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return ret; |
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} |
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data->stream_prepared[cpu_dai->id] = true; |
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|
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return ret; |
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} |
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|
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static int sdm845_snd_hw_free(struct snd_pcm_substream *substream) |
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{ |
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
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struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card); |
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struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0); |
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struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id]; |
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|
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if (sruntime && data->stream_prepared[cpu_dai->id]) { |
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sdw_disable_stream(sruntime); |
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sdw_deprepare_stream(sruntime); |
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data->stream_prepared[cpu_dai->id] = false; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static const struct snd_soc_ops sdm845_be_ops = { |
|
.hw_params = sdm845_snd_hw_params, |
|
.hw_free = sdm845_snd_hw_free, |
|
.prepare = sdm845_snd_prepare, |
|
.startup = sdm845_snd_startup, |
|
.shutdown = sdm845_snd_shutdown, |
|
}; |
|
|
|
static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, |
|
struct snd_pcm_hw_params *params) |
|
{ |
|
struct snd_interval *rate = hw_param_interval(params, |
|
SNDRV_PCM_HW_PARAM_RATE); |
|
struct snd_interval *channels = hw_param_interval(params, |
|
SNDRV_PCM_HW_PARAM_CHANNELS); |
|
struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); |
|
|
|
rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K; |
|
channels->min = channels->max = 2; |
|
snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = { |
|
SND_SOC_DAPM_HP("Headphone Jack", NULL), |
|
SND_SOC_DAPM_MIC("Headset Mic", NULL), |
|
SND_SOC_DAPM_SPK("Left Spk", NULL), |
|
SND_SOC_DAPM_SPK("Right Spk", NULL), |
|
SND_SOC_DAPM_MIC("Int Mic", NULL), |
|
}; |
|
|
|
static void sdm845_add_ops(struct snd_soc_card *card) |
|
{ |
|
struct snd_soc_dai_link *link; |
|
int i; |
|
|
|
for_each_card_prelinks(card, i, link) { |
|
if (link->no_pcm == 1) { |
|
link->ops = &sdm845_be_ops; |
|
link->be_hw_params_fixup = sdm845_be_hw_params_fixup; |
|
} |
|
link->init = sdm845_dai_init; |
|
} |
|
} |
|
|
|
static int sdm845_snd_platform_probe(struct platform_device *pdev) |
|
{ |
|
struct snd_soc_card *card; |
|
struct sdm845_snd_data *data; |
|
struct device *dev = &pdev->dev; |
|
int ret; |
|
|
|
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); |
|
if (!card) |
|
return -ENOMEM; |
|
|
|
/* Allocate the private data */ |
|
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); |
|
if (!data) |
|
return -ENOMEM; |
|
|
|
card->driver_name = DRIVER_NAME; |
|
card->dapm_widgets = sdm845_snd_widgets; |
|
card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets); |
|
card->dev = dev; |
|
card->owner = THIS_MODULE; |
|
dev_set_drvdata(dev, card); |
|
ret = qcom_snd_parse_of(card); |
|
if (ret) |
|
return ret; |
|
|
|
data->card = card; |
|
snd_soc_card_set_drvdata(card, data); |
|
|
|
sdm845_add_ops(card); |
|
return devm_snd_soc_register_card(dev, card); |
|
} |
|
|
|
static const struct of_device_id sdm845_snd_device_id[] = { |
|
{ .compatible = "qcom,sdm845-sndcard" }, |
|
{ .compatible = "qcom,db845c-sndcard" }, |
|
{ .compatible = "lenovo,yoga-c630-sndcard" }, |
|
{}, |
|
}; |
|
MODULE_DEVICE_TABLE(of, sdm845_snd_device_id); |
|
|
|
static struct platform_driver sdm845_snd_driver = { |
|
.probe = sdm845_snd_platform_probe, |
|
.driver = { |
|
.name = "msm-snd-sdm845", |
|
.of_match_table = sdm845_snd_device_id, |
|
}, |
|
}; |
|
module_platform_driver(sdm845_snd_driver); |
|
|
|
MODULE_DESCRIPTION("sdm845 ASoC Machine Driver"); |
|
MODULE_LICENSE("GPL v2");
|
|
|