1// SPDX-License-Identifier: GPL-2.0-only 2// 3// Intel SOF Machine Driver with Cirrus Logic CS35L56 Smart Amp 4 5#include <linux/module.h> 6#include <linux/platform_device.h> 7#include <sound/core.h> 8#include <sound/pcm.h> 9#include <sound/pcm_params.h> 10#include <sound/soc.h> 11#include <sound/soc-acpi.h> 12#include "sof_sdw_common.h" 13 14static const struct snd_soc_dapm_widget bridge_widgets[] = { 15 SND_SOC_DAPM_SPK("Bridge Speaker", NULL), 16}; 17 18static const struct snd_soc_dapm_route bridge_map[] = { 19 {"Bridge Speaker", NULL, "AMPL SPK"}, 20 {"Bridge Speaker", NULL, "AMPR SPK"}, 21}; 22 23static const char * const bridge_cs35l56_name_prefixes[] = { 24 "AMPL", 25 "AMPR", 26}; 27 28static int bridge_cs35l56_asp_init(struct snd_soc_pcm_runtime *rtd) 29{ 30 struct snd_soc_card *card = rtd->card; 31 int i, ret; 32 unsigned int rx_mask = 3; // ASP RX1, RX2 33 unsigned int tx_mask = 3; // ASP TX1, TX2 34 struct snd_soc_dai *codec_dai; 35 struct snd_soc_dai *cpu_dai; 36 37 card->components = devm_kasprintf(card->dev, GFP_KERNEL, 38 "%s spk:cs35l56-bridge", 39 card->components); 40 if (!card->components) 41 return -ENOMEM; 42 43 ret = snd_soc_dapm_new_controls(&card->dapm, bridge_widgets, 44 ARRAY_SIZE(bridge_widgets)); 45 if (ret) { 46 dev_err(card->dev, "widgets addition failed: %d\n", ret); 47 return ret; 48 } 49 50 ret = snd_soc_dapm_add_routes(&card->dapm, bridge_map, ARRAY_SIZE(bridge_map)); 51 if (ret) { 52 dev_err(card->dev, "map addition failed: %d\n", ret); 53 return ret; 54 } 55 56 /* 4 x 16-bit sample slots and FSYNC=48000, BCLK=3.072 MHz */ 57 for_each_rtd_codec_dais(rtd, i, codec_dai) { 58 ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_mask, rx_mask, 4, 16); 59 if (ret < 0) 60 return ret; 61 62 ret = snd_soc_dai_set_sysclk(codec_dai, 0, 3072000, SND_SOC_CLOCK_IN); 63 if (ret < 0) 64 return ret; 65 } 66 67 for_each_rtd_cpu_dais(rtd, i, cpu_dai) { 68 ret = snd_soc_dai_set_tdm_slot(cpu_dai, tx_mask, rx_mask, 4, 16); 69 if (ret < 0) 70 return ret; 71 } 72 73 return 0; 74} 75 76static const struct snd_soc_pcm_stream bridge_params = { 77 .formats = SNDRV_PCM_FMTBIT_S16_LE, 78 .rate_min = 48000, 79 .rate_max = 48000, 80 .channels_min = 2, 81 .channels_max = 2, 82}; 83 84SND_SOC_DAILINK_DEFS(bridge_dai, 85 DAILINK_COMP_ARRAY(COMP_CODEC("cs42l43-codec", "cs42l43-asp")), 86 DAILINK_COMP_ARRAY(COMP_CODEC("spi-cs35l56-left", "cs35l56-asp1"), 87 COMP_CODEC("spi-cs35l56-right", "cs35l56-asp1")), 88 DAILINK_COMP_ARRAY(COMP_PLATFORM("cs42l43-codec"))); 89 90static const struct snd_soc_dai_link bridge_dai_template = { 91 .name = "cs42l43-cs35l56", 92 .init = bridge_cs35l56_asp_init, 93 .c2c_params = &bridge_params, 94 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBC_CFC, 95 SND_SOC_DAILINK_REG(bridge_dai), 96}; 97 98int bridge_cs35l56_count_sidecar(struct snd_soc_card *card, 99 int *num_dais, int *num_devs) 100{ 101 if (sof_sdw_quirk & SOF_SIDECAR_AMPS) { 102 (*num_dais)++; 103 (*num_devs) += ARRAY_SIZE(bridge_cs35l56_name_prefixes); 104 } 105 106 return 0; 107} 108 109int bridge_cs35l56_add_sidecar(struct snd_soc_card *card, 110 struct snd_soc_dai_link **dai_links, 111 struct snd_soc_codec_conf **codec_conf) 112{ 113 if (sof_sdw_quirk & SOF_SIDECAR_AMPS) { 114 **dai_links = bridge_dai_template; 115 116 for (int i = 0; i < ARRAY_SIZE(bridge_cs35l56_name_prefixes); i++) { 117 (*codec_conf)->dlc.name = (*dai_links)->codecs[i].name; 118 (*codec_conf)->name_prefix = bridge_cs35l56_name_prefixes[i]; 119 (*codec_conf)++; 120 } 121 122 (*dai_links)++; 123 } 124 125 return 0; 126} 127 128int bridge_cs35l56_spk_init(struct snd_soc_card *card, 129 struct snd_soc_dai_link *dai_links, 130 struct sof_sdw_codec_info *info, 131 bool playback) 132{ 133 if (sof_sdw_quirk & SOF_SIDECAR_AMPS) 134 info->amp_num += ARRAY_SIZE(bridge_cs35l56_name_prefixes); 135 136 return 0; 137} 138