diff options
Diffstat (limited to 'sound/soc/intel/boards/sof_sdw_rt_amp.c')
| -rw-r--r-- | sound/soc/intel/boards/sof_sdw_rt_amp.c | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_sdw_rt_amp.c b/sound/soc/intel/boards/sof_sdw_rt_amp.c new file mode 100644 index 000000000000..26bf9e0dd3d2 --- /dev/null +++ b/sound/soc/intel/boards/sof_sdw_rt_amp.c @@ -0,0 +1,359 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (c) 2022 Intel Corporation + +/* + * sof_sdw_rt_amp - Helpers to handle RT1308/RT1316/RT1318 from generic machine driver + */ + +#include <linux/device.h> +#include <linux/errno.h> +#include <sound/control.h> +#include <sound/soc.h> +#include <sound/soc-acpi.h> +#include <sound/soc-dapm.h> +#include <linux/soundwire/sdw.h> +#include <linux/soundwire/sdw_type.h> +#include <linux/dmi.h> +#include "sof_sdw_common.h" +#include "sof_sdw_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; +} + +static const struct snd_kcontrol_new rt_amp_controls[] = { + SOC_DAPM_PIN_SWITCH("Speaker"), +}; + +static const struct snd_soc_dapm_widget rt_amp_widgets[] = { + SND_SOC_DAPM_SPK("Speaker", NULL), +}; + +/* + * 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 *get_codec_name_and_route(struct snd_soc_pcm_runtime *rtd, + char *codec_name) +{ + const char *dai_name; + + dai_name = rtd->dai_link->codecs->dai_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 + return rt1318_map; +} + +static int first_spk_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + const struct snd_soc_dapm_route *rt_amp_map; + char codec_name[CODEC_NAME_SIZE]; + int ret; + + rt_amp_map = get_codec_name_and_route(rtd, codec_name); + + card->components = devm_kasprintf(card->dev, GFP_KERNEL, + "%s spk:%s", + card->components, codec_name); + if (!card->components) + return -ENOMEM; + + ret = snd_soc_add_card_controls(card, rt_amp_controls, + ARRAY_SIZE(rt_amp_controls)); + if (ret) { + dev_err(card->dev, "%s controls addition failed: %d\n", codec_name, ret); + return ret; + } + + ret = snd_soc_dapm_new_controls(&card->dapm, rt_amp_widgets, + ARRAY_SIZE(rt_amp_widgets)); + if (ret) { + dev_err(card->dev, "%s widgets addition failed: %d\n", codec_name, ret); + return ret; + } + + ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map, 2); + if (ret) + dev_err(rtd->dev, "failed to add first SPK map: %d\n", ret); + + return ret; +} + +static int second_spk_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + const struct snd_soc_dapm_route *rt_amp_map; + char codec_name[CODEC_NAME_SIZE]; + int ret; + + rt_amp_map = get_codec_name_and_route(rtd, codec_name); + + ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map + 2, 2); + if (ret) + dev_err(rtd->dev, "failed to add second SPK map: %d\n", ret); + + return ret; +} + +static int all_spk_init(struct snd_soc_pcm_runtime *rtd) +{ + int ret; + + ret = first_spk_init(rtd); + if (ret) + return ret; + + return second_spk_init(rtd); +} + +static int rt1308_i2s_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_card *card = rtd->card; + struct snd_soc_dai *codec_dai = asoc_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 */ +struct snd_soc_ops sof_sdw_rt1308_i2s_ops = { + .hw_params = rt1308_i2s_hw_params, +}; + +int sof_sdw_rt_amp_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) +{ + struct 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; +} + +int sof_sdw_rt_amp_init(struct snd_soc_card *card, + const struct snd_soc_acpi_link_adr *link, + struct snd_soc_dai_link *dai_links, + struct sof_sdw_codec_info *info, + bool playback) +{ + struct 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 == 1) + dai_links->init = first_spk_init; + + 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; + + /* + * if two amps are in one dai link, the init function + * in this dai link will be first set for the first speaker, + * and it should be reset to initialize all speakers when + * the second speaker is found. + */ + if (dai_links->init) + dai_links->init = all_spk_init; + else + dai_links->init = second_spk_init; + } + + return 0; +} |