1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 // 3 // This file is provided under a dual BSD/GPLv2 license. When using or 4 // redistributing this file, you may do so under either license. 5 // 6 // Copyright(c) 2025 Intel Corporation. 7 // 8 9 #include <linux/device.h> 10 #include <linux/errno.h> 11 #include <linux/firmware.h> 12 #include <sound/soc.h> 13 #include <sound/soc-acpi.h> 14 #include "sof-function-topology-lib.h" 15 16 enum tplg_device_id { 17 TPLG_DEVICE_SDCA_JACK, 18 TPLG_DEVICE_SDCA_AMP, 19 TPLG_DEVICE_SDCA_MIC, 20 TPLG_DEVICE_INTEL_PCH_DMIC, 21 TPLG_DEVICE_HDMI, 22 TPLG_DEVICE_MAX 23 }; 24 25 #define SDCA_DEVICE_MASK (BIT(TPLG_DEVICE_SDCA_JACK) | BIT(TPLG_DEVICE_SDCA_AMP) | \ 26 BIT(TPLG_DEVICE_SDCA_MIC)) 27 28 #define SOF_INTEL_PLATFORM_NAME_MAX 4 29 30 int sof_sdw_get_tplg_files(struct snd_soc_card *card, const struct snd_soc_acpi_mach *mach, 31 const char *prefix, const char ***tplg_files, bool best_effort) 32 { 33 struct snd_soc_acpi_mach_params mach_params = mach->mach_params; 34 struct snd_soc_dai_link *dai_link; 35 const struct firmware *fw; 36 char platform[SOF_INTEL_PLATFORM_NAME_MAX]; 37 unsigned long tplg_mask = 0; 38 int tplg_num = 0; 39 int tplg_dev; 40 int ret; 41 int i; 42 43 ret = sscanf(mach->sof_tplg_filename, "sof-%3s-*.tplg", platform); 44 if (ret != 1) { 45 dev_err(card->dev, "Invalid platform name %s of tplg %s\n", 46 platform, mach->sof_tplg_filename); 47 return -EINVAL; 48 } 49 50 for_each_card_prelinks(card, i, dai_link) { 51 char *tplg_dev_name; 52 53 dev_dbg(card->dev, "dai_link %s id %d\n", dai_link->name, dai_link->id); 54 if (strstr(dai_link->name, "SimpleJack")) { 55 tplg_dev = TPLG_DEVICE_SDCA_JACK; 56 tplg_dev_name = "sdca-jack"; 57 } else if (strstr(dai_link->name, "SmartAmp")) { 58 tplg_dev = TPLG_DEVICE_SDCA_AMP; 59 tplg_dev_name = devm_kasprintf(card->dev, GFP_KERNEL, 60 "sdca-%damp", dai_link->num_cpus); 61 if (!tplg_dev_name) 62 return -ENOMEM; 63 } else if (strstr(dai_link->name, "SmartMic")) { 64 tplg_dev = TPLG_DEVICE_SDCA_MIC; 65 tplg_dev_name = "sdca-mic"; 66 } else if (strstr(dai_link->name, "dmic")) { 67 switch (mach_params.dmic_num) { 68 case 2: 69 tplg_dev_name = "dmic-2ch"; 70 break; 71 case 4: 72 tplg_dev_name = "dmic-4ch"; 73 break; 74 default: 75 dev_warn(card->dev, 76 "unsupported number of dmics: %d\n", 77 mach_params.dmic_num); 78 continue; 79 } 80 tplg_dev = TPLG_DEVICE_INTEL_PCH_DMIC; 81 } else if (strstr(dai_link->name, "iDisp")) { 82 tplg_dev = TPLG_DEVICE_HDMI; 83 tplg_dev_name = "hdmi-pcm5"; 84 85 } else { 86 /* The dai link is not supported by separated tplg yet */ 87 dev_dbg(card->dev, 88 "dai_link %s is not supported by separated tplg yet\n", 89 dai_link->name); 90 if (best_effort) 91 continue; 92 93 return 0; 94 } 95 if (tplg_mask & BIT(tplg_dev)) 96 continue; 97 98 tplg_mask |= BIT(tplg_dev); 99 100 /* 101 * The tplg file naming rule is sof-<platform>-<function>-id<BE id number>.tplg 102 * where <platform> is only required for the DMIC function as the nhlt blob 103 * is platform dependent. 104 */ 105 switch (tplg_dev) { 106 case TPLG_DEVICE_INTEL_PCH_DMIC: 107 (*tplg_files)[tplg_num] = devm_kasprintf(card->dev, GFP_KERNEL, 108 "%s/sof-%s-%s-id%d.tplg", 109 prefix, platform, 110 tplg_dev_name, dai_link->id); 111 break; 112 default: 113 (*tplg_files)[tplg_num] = devm_kasprintf(card->dev, GFP_KERNEL, 114 "%s/sof-%s-id%d.tplg", 115 prefix, tplg_dev_name, 116 dai_link->id); 117 break; 118 } 119 if (!(*tplg_files)[tplg_num]) 120 return -ENOMEM; 121 tplg_num++; 122 } 123 124 dev_dbg(card->dev, "tplg_mask %#lx tplg_num %d\n", tplg_mask, tplg_num); 125 126 /* Check presence of sub-topologies */ 127 for (i = 0; i < tplg_num; i++) { 128 ret = firmware_request_nowarn(&fw, (*tplg_files)[i], card->dev); 129 if (!ret) { 130 release_firmware(fw); 131 } else { 132 dev_warn(card->dev, 133 "Failed to open topology file: %s, you might need to\n", 134 (*tplg_files)[i]); 135 dev_warn(card->dev, 136 "download it from https://github.com/thesofproject/sof-bin/\n"); 137 return 0; 138 } 139 } 140 141 return tplg_num; 142 } 143 EXPORT_SYMBOL_GPL(sof_sdw_get_tplg_files); 144