1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * This file defines data structures and functions used in Machine 4 * Driver for Intel platforms with Cirrus Logic Codecs. 5 * 6 * Copyright 2022 Intel Corporation. 7 */ 8 #include <linux/module.h> 9 #include <sound/sof.h> 10 #include "../../codecs/cs35l41.h" 11 #include "sof_cirrus_common.h" 12 13 /* 14 * Cirrus Logic CS35L41/CS35L53 15 */ 16 static const struct snd_kcontrol_new cs35l41_kcontrols[] = { 17 SOC_DAPM_PIN_SWITCH("WL Spk"), 18 SOC_DAPM_PIN_SWITCH("WR Spk"), 19 SOC_DAPM_PIN_SWITCH("TL Spk"), 20 SOC_DAPM_PIN_SWITCH("TR Spk"), 21 }; 22 23 static const struct snd_soc_dapm_widget cs35l41_dapm_widgets[] = { 24 SND_SOC_DAPM_SPK("WL Spk", NULL), 25 SND_SOC_DAPM_SPK("WR Spk", NULL), 26 SND_SOC_DAPM_SPK("TL Spk", NULL), 27 SND_SOC_DAPM_SPK("TR Spk", NULL), 28 }; 29 30 static const struct snd_soc_dapm_route cs35l41_dapm_routes[] = { 31 /* speaker */ 32 {"WL Spk", NULL, "WL SPK"}, 33 {"WR Spk", NULL, "WR SPK"}, 34 {"TL Spk", NULL, "TL SPK"}, 35 {"TR Spk", NULL, "TR SPK"}, 36 }; 37 38 static struct snd_soc_dai_link_component cs35l41_components[] = { 39 { 40 .name = CS35L41_DEV0_NAME, 41 .dai_name = CS35L41_CODEC_DAI, 42 }, 43 { 44 .name = CS35L41_DEV1_NAME, 45 .dai_name = CS35L41_CODEC_DAI, 46 }, 47 { 48 .name = CS35L41_DEV2_NAME, 49 .dai_name = CS35L41_CODEC_DAI, 50 }, 51 { 52 .name = CS35L41_DEV3_NAME, 53 .dai_name = CS35L41_CODEC_DAI, 54 }, 55 }; 56 57 /* 58 * Mapping between ACPI instance id and speaker position. 59 * 60 * Four speakers: 61 * 0: Tweeter left, 1: Woofer left 62 * 2: Tweeter right, 3: Woofer right 63 */ 64 static struct snd_soc_codec_conf cs35l41_codec_conf[] = { 65 { 66 .dlc = COMP_CODEC_CONF(CS35L41_DEV0_NAME), 67 .name_prefix = "TL", 68 }, 69 { 70 .dlc = COMP_CODEC_CONF(CS35L41_DEV1_NAME), 71 .name_prefix = "WL", 72 }, 73 { 74 .dlc = COMP_CODEC_CONF(CS35L41_DEV2_NAME), 75 .name_prefix = "TR", 76 }, 77 { 78 .dlc = COMP_CODEC_CONF(CS35L41_DEV3_NAME), 79 .name_prefix = "WR", 80 }, 81 }; 82 83 static int cs35l41_init(struct snd_soc_pcm_runtime *rtd) 84 { 85 struct snd_soc_card *card = rtd->card; 86 int ret; 87 88 ret = snd_soc_dapm_new_controls(&card->dapm, cs35l41_dapm_widgets, 89 ARRAY_SIZE(cs35l41_dapm_widgets)); 90 if (ret) { 91 dev_err(rtd->dev, "fail to add dapm controls, ret %d\n", ret); 92 return ret; 93 } 94 95 ret = snd_soc_add_card_controls(card, cs35l41_kcontrols, 96 ARRAY_SIZE(cs35l41_kcontrols)); 97 if (ret) { 98 dev_err(rtd->dev, "fail to add card controls, ret %d\n", ret); 99 return ret; 100 } 101 102 ret = snd_soc_dapm_add_routes(&card->dapm, cs35l41_dapm_routes, 103 ARRAY_SIZE(cs35l41_dapm_routes)); 104 105 if (ret) 106 dev_err(rtd->dev, "fail to add dapm routes, ret %d\n", ret); 107 108 return ret; 109 } 110 111 /* 112 * Channel map: 113 * 114 * TL/WL: ASPRX1 on slot 0, ASPRX2 on slot 1 (default) 115 * TR/WR: ASPRX1 on slot 1, ASPRX2 on slot 0 116 */ 117 static const struct { 118 unsigned int rx[2]; 119 } cs35l41_channel_map[] = { 120 {.rx = {0, 1}}, /* TL */ 121 {.rx = {0, 1}}, /* WL */ 122 {.rx = {1, 0}}, /* TR */ 123 {.rx = {1, 0}}, /* WR */ 124 }; 125 126 static int cs35l41_hw_params(struct snd_pcm_substream *substream, 127 struct snd_pcm_hw_params *params) 128 { 129 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 130 struct snd_soc_dai *codec_dai; 131 int clk_freq, i, ret; 132 133 clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */ 134 135 if (clk_freq <= 0) { 136 dev_err(rtd->dev, "fail to get bclk freq, ret %d\n", clk_freq); 137 return -EINVAL; 138 } 139 140 for_each_rtd_codec_dais(rtd, i, codec_dai) { 141 /* call dai driver's set_sysclk() callback */ 142 ret = snd_soc_dai_set_sysclk(codec_dai, CS35L41_CLKID_SCLK, 143 clk_freq, SND_SOC_CLOCK_IN); 144 if (ret < 0) { 145 dev_err(codec_dai->dev, "fail to set sysclk, ret %d\n", 146 ret); 147 return ret; 148 } 149 150 /* call component driver's set_sysclk() callback */ 151 ret = snd_soc_component_set_sysclk(codec_dai->component, 152 CS35L41_CLKID_SCLK, 0, 153 clk_freq, SND_SOC_CLOCK_IN); 154 if (ret < 0) { 155 dev_err(codec_dai->dev, "fail to set component sysclk, ret %d\n", 156 ret); 157 return ret; 158 } 159 160 /* setup channel map */ 161 ret = snd_soc_dai_set_channel_map(codec_dai, 0, NULL, 162 ARRAY_SIZE(cs35l41_channel_map[i].rx), 163 (unsigned int *)cs35l41_channel_map[i].rx); 164 if (ret < 0) { 165 dev_err(codec_dai->dev, "fail to set channel map, ret %d\n", 166 ret); 167 return ret; 168 } 169 } 170 171 return 0; 172 } 173 174 static const struct snd_soc_ops cs35l41_ops = { 175 .hw_params = cs35l41_hw_params, 176 }; 177 178 void cs35l41_set_dai_link(struct snd_soc_dai_link *link) 179 { 180 link->codecs = cs35l41_components; 181 link->num_codecs = ARRAY_SIZE(cs35l41_components); 182 link->init = cs35l41_init; 183 link->ops = &cs35l41_ops; 184 } 185 EXPORT_SYMBOL_NS(cs35l41_set_dai_link, SND_SOC_INTEL_SOF_CIRRUS_COMMON); 186 187 void cs35l41_set_codec_conf(struct snd_soc_card *card) 188 { 189 card->codec_conf = cs35l41_codec_conf; 190 card->num_configs = ARRAY_SIZE(cs35l41_codec_conf); 191 } 192 EXPORT_SYMBOL_NS(cs35l41_set_codec_conf, SND_SOC_INTEL_SOF_CIRRUS_COMMON); 193 194 MODULE_DESCRIPTION("ASoC Intel SOF Cirrus Logic helpers"); 195 MODULE_LICENSE("GPL"); 196