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195 lines
4.7 KiB
195 lines
4.7 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* This file defines data structures and functions used in Machine |
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* Driver for Intel platforms with Cirrus Logic Codecs. |
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* |
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* Copyright 2022 Intel Corporation. |
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*/ |
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#include <linux/module.h> |
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#include <sound/sof.h> |
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#include "../../codecs/cs35l41.h" |
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#include "sof_cirrus_common.h" |
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/* |
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* Cirrus Logic CS35L41/CS35L53 |
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*/ |
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static const struct snd_kcontrol_new cs35l41_kcontrols[] = { |
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SOC_DAPM_PIN_SWITCH("WL Spk"), |
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SOC_DAPM_PIN_SWITCH("WR Spk"), |
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SOC_DAPM_PIN_SWITCH("TL Spk"), |
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SOC_DAPM_PIN_SWITCH("TR Spk"), |
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}; |
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static const struct snd_soc_dapm_widget cs35l41_dapm_widgets[] = { |
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SND_SOC_DAPM_SPK("WL Spk", NULL), |
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SND_SOC_DAPM_SPK("WR Spk", NULL), |
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SND_SOC_DAPM_SPK("TL Spk", NULL), |
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SND_SOC_DAPM_SPK("TR Spk", NULL), |
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}; |
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static const struct snd_soc_dapm_route cs35l41_dapm_routes[] = { |
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/* speaker */ |
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{"WL Spk", NULL, "WL SPK"}, |
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{"WR Spk", NULL, "WR SPK"}, |
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{"TL Spk", NULL, "TL SPK"}, |
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{"TR Spk", NULL, "TR SPK"}, |
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}; |
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static struct snd_soc_dai_link_component cs35l41_components[] = { |
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{ |
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.name = CS35L41_DEV0_NAME, |
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.dai_name = CS35L41_CODEC_DAI, |
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}, |
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{ |
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.name = CS35L41_DEV1_NAME, |
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.dai_name = CS35L41_CODEC_DAI, |
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}, |
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{ |
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.name = CS35L41_DEV2_NAME, |
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.dai_name = CS35L41_CODEC_DAI, |
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}, |
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{ |
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.name = CS35L41_DEV3_NAME, |
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.dai_name = CS35L41_CODEC_DAI, |
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}, |
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}; |
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/* |
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* Mapping between ACPI instance id and speaker position. |
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* |
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* Four speakers: |
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* 0: Tweeter left, 1: Woofer left |
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* 2: Tweeter right, 3: Woofer right |
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*/ |
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static struct snd_soc_codec_conf cs35l41_codec_conf[] = { |
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{ |
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.dlc = COMP_CODEC_CONF(CS35L41_DEV0_NAME), |
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.name_prefix = "TL", |
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}, |
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{ |
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.dlc = COMP_CODEC_CONF(CS35L41_DEV1_NAME), |
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.name_prefix = "WL", |
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}, |
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{ |
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.dlc = COMP_CODEC_CONF(CS35L41_DEV2_NAME), |
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.name_prefix = "TR", |
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}, |
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{ |
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.dlc = COMP_CODEC_CONF(CS35L41_DEV3_NAME), |
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.name_prefix = "WR", |
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}, |
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}; |
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static int cs35l41_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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struct snd_soc_card *card = rtd->card; |
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int ret; |
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ret = snd_soc_dapm_new_controls(&card->dapm, cs35l41_dapm_widgets, |
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ARRAY_SIZE(cs35l41_dapm_widgets)); |
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if (ret) { |
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dev_err(rtd->dev, "fail to add dapm controls, ret %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_add_card_controls(card, cs35l41_kcontrols, |
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ARRAY_SIZE(cs35l41_kcontrols)); |
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if (ret) { |
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dev_err(rtd->dev, "fail to add card controls, ret %d\n", ret); |
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return ret; |
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} |
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ret = snd_soc_dapm_add_routes(&card->dapm, cs35l41_dapm_routes, |
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ARRAY_SIZE(cs35l41_dapm_routes)); |
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if (ret) |
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dev_err(rtd->dev, "fail to add dapm routes, ret %d\n", ret); |
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return ret; |
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} |
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/* |
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* Channel map: |
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* |
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* TL/WL: ASPRX1 on slot 0, ASPRX2 on slot 1 (default) |
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* TR/WR: ASPRX1 on slot 1, ASPRX2 on slot 0 |
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*/ |
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static const struct { |
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unsigned int rx[2]; |
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} cs35l41_channel_map[] = { |
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{.rx = {0, 1}}, /* TL */ |
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{.rx = {0, 1}}, /* WL */ |
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{.rx = {1, 0}}, /* TR */ |
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{.rx = {1, 0}}, /* WR */ |
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}; |
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static int cs35l41_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 *codec_dai; |
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int clk_freq, i, ret; |
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clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */ |
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if (clk_freq <= 0) { |
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dev_err(rtd->dev, "fail to get bclk freq, ret %d\n", clk_freq); |
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return -EINVAL; |
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} |
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for_each_rtd_codec_dais(rtd, i, codec_dai) { |
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/* call dai driver's set_sysclk() callback */ |
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ret = snd_soc_dai_set_sysclk(codec_dai, CS35L41_CLKID_SCLK, |
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clk_freq, SND_SOC_CLOCK_IN); |
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if (ret < 0) { |
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dev_err(codec_dai->dev, "fail to set sysclk, ret %d\n", |
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ret); |
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return ret; |
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} |
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/* call component driver's set_sysclk() callback */ |
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ret = snd_soc_component_set_sysclk(codec_dai->component, |
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CS35L41_CLKID_SCLK, 0, |
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clk_freq, SND_SOC_CLOCK_IN); |
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if (ret < 0) { |
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dev_err(codec_dai->dev, "fail to set component sysclk, ret %d\n", |
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ret); |
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return ret; |
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} |
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/* setup channel map */ |
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ret = snd_soc_dai_set_channel_map(codec_dai, 0, NULL, |
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ARRAY_SIZE(cs35l41_channel_map[i].rx), |
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(unsigned int *)cs35l41_channel_map[i].rx); |
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if (ret < 0) { |
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dev_err(codec_dai->dev, "fail to set channel map, ret %d\n", |
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ret); |
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return ret; |
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} |
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} |
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return 0; |
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} |
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static const struct snd_soc_ops cs35l41_ops = { |
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.hw_params = cs35l41_hw_params, |
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}; |
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void cs35l41_set_dai_link(struct snd_soc_dai_link *link) |
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{ |
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link->codecs = cs35l41_components; |
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link->num_codecs = ARRAY_SIZE(cs35l41_components); |
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link->init = cs35l41_init; |
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link->ops = &cs35l41_ops; |
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} |
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EXPORT_SYMBOL_NS(cs35l41_set_dai_link, SND_SOC_INTEL_SOF_CIRRUS_COMMON); |
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void cs35l41_set_codec_conf(struct snd_soc_card *card) |
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{ |
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card->codec_conf = cs35l41_codec_conf; |
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card->num_configs = ARRAY_SIZE(cs35l41_codec_conf); |
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} |
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EXPORT_SYMBOL_NS(cs35l41_set_codec_conf, SND_SOC_INTEL_SOF_CIRRUS_COMMON); |
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MODULE_DESCRIPTION("ASoC Intel SOF Cirrus Logic helpers"); |
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MODULE_LICENSE("GPL");
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