91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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// This file incorporates work covered by the following copyright notice:
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// Copyright (c) 2024 Intel Corporation.
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/*
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* soc_sdw_rt_mf_sdca
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* - Helpers to handle RT Multifunction Codec from generic machine driver
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*/
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#include <linux/device.h>
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#include <linux/errno.h>
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#include <linux/soundwire/sdw.h>
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#include <linux/soundwire/sdw_type.h>
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#include <sound/control.h>
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#include <sound/soc.h>
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#include <sound/soc-acpi.h>
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#include <sound/soc-dapm.h>
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#include <sound/soc_sdw_utils.h>
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#define CODEC_NAME_SIZE 6
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/* dapm routes for RT-SPK will be registered dynamically */
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static const struct snd_soc_dapm_route rt712_spk_map[] = {
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{ "Speaker", NULL, "rt712 SPOL" },
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{ "Speaker", NULL, "rt712 SPOR" },
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};
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static const struct snd_soc_dapm_route rt721_spk_map[] = {
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{ "Speaker", NULL, "rt721 SPK" },
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};
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static const struct snd_soc_dapm_route rt722_spk_map[] = {
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{ "Speaker", NULL, "rt722 SPK" },
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};
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/* Structure to map codec names to respective route arrays and sizes */
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struct codec_route_map {
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const char *codec_name;
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const struct snd_soc_dapm_route *route_map;
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size_t route_size;
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};
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/* Codec route maps array */
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static const struct codec_route_map codec_routes[] = {
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{ "rt712", rt712_spk_map, ARRAY_SIZE(rt712_spk_map) },
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{ "rt721", rt721_spk_map, ARRAY_SIZE(rt721_spk_map) },
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{ "rt722", rt722_spk_map, ARRAY_SIZE(rt722_spk_map) },
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};
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static const struct codec_route_map *get_codec_route_map(const char *codec_name)
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{
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for (size_t i = 0; i < ARRAY_SIZE(codec_routes); i++) {
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if (strcmp(codec_routes[i].codec_name, codec_name) == 0)
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return &codec_routes[i];
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}
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return NULL;
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}
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int asoc_sdw_rt_mf_sdca_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
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{
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struct snd_soc_card *card = rtd->card;
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char codec_name[CODEC_NAME_SIZE];
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int ret;
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/* acquire codec name */
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snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai->name);
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/* acquire corresponding route map and size */
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const struct codec_route_map *route_map = get_codec_route_map(codec_name);
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if (!route_map) {
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dev_err(rtd->dev, "failed to get codec name and route map\n");
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return -EINVAL;
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}
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/* Update card components */
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card->components = devm_kasprintf(card->dev, GFP_KERNEL,
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"%s spk:%s",
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card->components, codec_name);
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if (!card->components)
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return -ENOMEM;
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/* Add routes */
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ret = snd_soc_dapm_add_routes(&card->dapm, route_map->route_map, route_map->route_size);
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if (ret)
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dev_err(rtd->dev, "failed to add rt sdca spk map: %d\n", ret);
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return ret;
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}
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EXPORT_SYMBOL_NS(asoc_sdw_rt_mf_sdca_spk_rtd_init, SND_SOC_SDW_UTILS);
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