// SPDX-License-Identifier: GPL-2.0-only // This file incorporates work covered by the following copyright notice: // Copyright (c) 2022 Intel Corporation // Copyright (c) 2024 Advanced Micro Devices, Inc. /* * soc_sdw_rt_amp - Helpers to handle RT1308/RT1316/RT1318 from generic machine driver */ #include #include #include #include #include #include #include #include #include #include #include "soc_sdw_rt_amp_coeff_tables.h" #include "../codecs/rt1308.h" #define CODEC_NAME_SIZE 7 /* choose a larger value to resolve compatibility issues */ #define RT_AMP_MAX_BQ_REG RT1316_MAX_BQ_REG struct rt_amp_platform_data { const unsigned char *bq_params; const unsigned int bq_params_cnt; }; static const struct rt_amp_platform_data dell_0a5d_platform_data = { .bq_params = dell_0a5d_bq_params, .bq_params_cnt = ARRAY_SIZE(dell_0a5d_bq_params), }; static const struct rt_amp_platform_data dell_0b00_platform_data = { .bq_params = dell_0b00_bq_params, .bq_params_cnt = ARRAY_SIZE(dell_0b00_bq_params), }; static const struct dmi_system_id dmi_platform_data[] = { /* CometLake devices */ { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990") }, .driver_data = (void *)&dell_0a5d_platform_data, }, { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F") }, .driver_data = (void *)&dell_0a5d_platform_data, }, /* TigerLake devices */ { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5D") }, .driver_data = (void *)&dell_0a5d_platform_data, }, { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5E") }, .driver_data = (void *)&dell_0a5d_platform_data, }, /* AlderLake devices */ { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B00") }, .driver_data = (void *)&dell_0b00_platform_data, }, { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B01") }, .driver_data = (void *)&dell_0b00_platform_data, }, { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFF") }, .driver_data = (void *)&dell_0b00_platform_data, }, { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFE") }, .driver_data = (void *)&dell_0b00_platform_data, }, {}, }; static int rt_amp_add_device_props(struct device *sdw_dev) { struct property_entry props[3] = {}; struct fwnode_handle *fwnode; const struct dmi_system_id *dmi_data; const struct rt_amp_platform_data *pdata; unsigned char params[RT_AMP_MAX_BQ_REG]; int ret; dmi_data = dmi_first_match(dmi_platform_data); if (!dmi_data) return 0; pdata = dmi_data->driver_data; memcpy(¶ms, pdata->bq_params, sizeof(unsigned char) * pdata->bq_params_cnt); props[0] = PROPERTY_ENTRY_U8_ARRAY("realtek,bq-params", params); props[1] = PROPERTY_ENTRY_U32("realtek,bq-params-cnt", pdata->bq_params_cnt); fwnode = fwnode_create_software_node(props, NULL); if (IS_ERR(fwnode)) return PTR_ERR(fwnode); ret = device_add_software_node(sdw_dev, to_software_node(fwnode)); fwnode_handle_put(fwnode); return ret; } /* * dapm routes for rt1308/rt1316/rt1318 will be registered dynamically * according to the number of rt1308/rt1316/rt1318 used. The first two * entries will be registered for one codec case, and the last two entries * are also registered if two 1308s/1316s/1318s are used. */ static const struct snd_soc_dapm_route rt1308_map[] = { { "Speaker", NULL, "rt1308-1 SPOL" }, { "Speaker", NULL, "rt1308-1 SPOR" }, { "Speaker", NULL, "rt1308-2 SPOL" }, { "Speaker", NULL, "rt1308-2 SPOR" }, }; static const struct snd_soc_dapm_route rt1316_map[] = { { "Speaker", NULL, "rt1316-1 SPOL" }, { "Speaker", NULL, "rt1316-1 SPOR" }, { "Speaker", NULL, "rt1316-2 SPOL" }, { "Speaker", NULL, "rt1316-2 SPOR" }, }; static const struct snd_soc_dapm_route rt1318_map[] = { { "Speaker", NULL, "rt1318-1 SPOL" }, { "Speaker", NULL, "rt1318-1 SPOR" }, { "Speaker", NULL, "rt1318-2 SPOL" }, { "Speaker", NULL, "rt1318-2 SPOR" }, }; static const struct snd_soc_dapm_route rt1320_map[] = { { "Speaker", NULL, "rt1320-1 SPOL" }, { "Speaker", NULL, "rt1320-1 SPOR" }, { "Speaker", NULL, "rt1320-2 SPOL" }, { "Speaker", NULL, "rt1320-2 SPOR" }, }; static const struct snd_soc_dapm_route *get_codec_name_and_route(struct snd_soc_dai *dai, char *codec_name) { /* get the codec name */ snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai->name); /* choose the right codec's map */ if (strcmp(codec_name, "rt1308") == 0) return rt1308_map; else if (strcmp(codec_name, "rt1316") == 0) return rt1316_map; else if (strcmp(codec_name, "rt1318") == 0) return rt1318_map; else return rt1320_map; } int asoc_sdw_rt_amp_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai) { struct snd_soc_card *card = rtd->card; const struct snd_soc_dapm_route *rt_amp_map; char codec_name[CODEC_NAME_SIZE]; struct snd_soc_dai *codec_dai; int ret; int i; rt_amp_map = get_codec_name_and_route(dai, codec_name); card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s spk:%s", card->components, codec_name); if (!card->components) return -ENOMEM; for_each_rtd_codec_dais(rtd, i, codec_dai) { if (strstr(codec_dai->component->name_prefix, "-1")) ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map, 2); else if (strstr(codec_dai->component->name_prefix, "-2")) ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map + 2, 2); } return ret; } EXPORT_SYMBOL_NS(asoc_sdw_rt_amp_spk_rtd_init, SND_SOC_SDW_UTILS); static int rt1308_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct snd_soc_card *card = rtd->card; struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); int clk_id, clk_freq, pll_out; int err; clk_id = RT1308_PLL_S_MCLK; clk_freq = 38400000; pll_out = params_rate(params) * 512; /* Set rt1308 pll */ err = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out); if (err < 0) { dev_err(card->dev, "Failed to set RT1308 PLL: %d\n", err); return err; } /* Set rt1308 sysclk */ err = snd_soc_dai_set_sysclk(codec_dai, RT1308_FS_SYS_S_PLL, pll_out, SND_SOC_CLOCK_IN); if (err < 0) { dev_err(card->dev, "Failed to set RT1308 SYSCLK: %d\n", err); return err; } return 0; } /* machine stream operations */ const struct snd_soc_ops soc_sdw_rt1308_i2s_ops = { .hw_params = rt1308_i2s_hw_params, }; EXPORT_SYMBOL_NS(soc_sdw_rt1308_i2s_ops, SND_SOC_SDW_UTILS); int asoc_sdw_rt_amp_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) { struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card); if (ctx->amp_dev1) { device_remove_software_node(ctx->amp_dev1); put_device(ctx->amp_dev1); } if (ctx->amp_dev2) { device_remove_software_node(ctx->amp_dev2); put_device(ctx->amp_dev2); } return 0; } EXPORT_SYMBOL_NS(asoc_sdw_rt_amp_exit, SND_SOC_SDW_UTILS); int asoc_sdw_rt_amp_init(struct snd_soc_card *card, struct snd_soc_dai_link *dai_links, struct asoc_sdw_codec_info *info, bool playback) { struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card); struct device *sdw_dev1, *sdw_dev2; int ret; /* Count amp number and do init on playback link only. */ if (!playback) return 0; info->amp_num++; if (info->amp_num == 2) { sdw_dev1 = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name); if (!sdw_dev1) return -EPROBE_DEFER; ret = rt_amp_add_device_props(sdw_dev1); if (ret < 0) { put_device(sdw_dev1); return ret; } ctx->amp_dev1 = sdw_dev1; sdw_dev2 = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[1].name); if (!sdw_dev2) return -EPROBE_DEFER; ret = rt_amp_add_device_props(sdw_dev2); if (ret < 0) { put_device(sdw_dev2); return ret; } ctx->amp_dev2 = sdw_dev2; } return 0; } EXPORT_SYMBOL_NS(asoc_sdw_rt_amp_init, SND_SOC_SDW_UTILS);