diff options
Diffstat (limited to 'sound/soc/intel/boards/sof_sdw_maxim.c')
| -rw-r--r-- | sound/soc/intel/boards/sof_sdw_maxim.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/sound/soc/intel/boards/sof_sdw_maxim.c b/sound/soc/intel/boards/sof_sdw_maxim.c deleted file mode 100644 index 034730432671..000000000000 --- a/sound/soc/intel/boards/sof_sdw_maxim.c +++ /dev/null @@ -1,165 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -// Copyright (c) 2020 Intel Corporation -// -// sof_sdw_maxim - Helpers to handle maxim codecs -// codec devices 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 "sof_sdw_common.h" -#include "sof_maxim_common.h" - -static int maxim_part_id; -#define SOF_SDW_PART_ID_MAX98363 0x8363 -#define SOF_SDW_PART_ID_MAX98373 0x8373 - -static const struct snd_soc_dapm_widget maxim_widgets[] = { - SND_SOC_DAPM_SPK("Left Spk", NULL), - SND_SOC_DAPM_SPK("Right Spk", NULL), -}; - -static const struct snd_kcontrol_new maxim_controls[] = { - SOC_DAPM_PIN_SWITCH("Left Spk"), - SOC_DAPM_PIN_SWITCH("Right Spk"), -}; - -int maxim_spk_rtd_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_card *card = rtd->card; - int ret; - - card->components = devm_kasprintf(card->dev, GFP_KERNEL, - "%s spk:mx%04x", - card->components, maxim_part_id); - if (!card->components) - return -ENOMEM; - - dev_dbg(card->dev, "soundwire maxim card components assigned : %s\n", - card->components); - - ret = snd_soc_add_card_controls(card, maxim_controls, - ARRAY_SIZE(maxim_controls)); - if (ret) { - dev_err(card->dev, "mx%04x ctrls addition failed: %d\n", maxim_part_id, ret); - return ret; - } - - ret = snd_soc_dapm_new_controls(&card->dapm, maxim_widgets, - ARRAY_SIZE(maxim_widgets)); - if (ret) { - dev_err(card->dev, "mx%04x widgets addition failed: %d\n", maxim_part_id, ret); - return ret; - } - - ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes, 2); - if (ret) - dev_err(rtd->dev, "failed to add first SPK map: %d\n", ret); - - return ret; -} - -static int mx8373_enable_spk_pin(struct snd_pcm_substream *substream, bool enable) -{ - struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct snd_soc_dai *codec_dai; - struct snd_soc_dai *cpu_dai; - int ret; - int j; - - /* set spk pin by playback only */ - if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) - return 0; - - cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); - for_each_rtd_codec_dais(rtd, j, codec_dai) { - struct snd_soc_dapm_context *dapm = - snd_soc_component_get_dapm(cpu_dai->component); - char pin_name[16]; - - snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk", - codec_dai->component->name_prefix); - - if (enable) - ret = snd_soc_dapm_enable_pin(dapm, pin_name); - else - ret = snd_soc_dapm_disable_pin(dapm, pin_name); - - if (!ret) - snd_soc_dapm_sync(dapm); - } - - return 0; -} - -static int mx8373_sdw_prepare(struct snd_pcm_substream *substream) -{ - int ret; - - /* according to soc_pcm_prepare dai link prepare is called first */ - ret = sdw_prepare(substream); - if (ret < 0) - return ret; - - return mx8373_enable_spk_pin(substream, true); -} - -static int mx8373_sdw_hw_free(struct snd_pcm_substream *substream) -{ - int ret; - - /* according to soc_pcm_hw_free dai link free is called first */ - ret = sdw_hw_free(substream); - if (ret < 0) - return ret; - - return mx8373_enable_spk_pin(substream, false); -} - -static const struct snd_soc_ops max_98373_sdw_ops = { - .startup = sdw_startup, - .prepare = mx8373_sdw_prepare, - .trigger = sdw_trigger, - .hw_params = sdw_hw_params, - .hw_free = mx8373_sdw_hw_free, - .shutdown = sdw_shutdown, -}; - -static int mx8373_sdw_late_probe(struct snd_soc_card *card) -{ - struct snd_soc_dapm_context *dapm = &card->dapm; - - /* Disable Left and Right Spk pin after boot */ - snd_soc_dapm_disable_pin(dapm, "Left Spk"); - snd_soc_dapm_disable_pin(dapm, "Right Spk"); - return snd_soc_dapm_sync(dapm); -} - -int sof_sdw_maxim_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) -{ - info->amp_num++; - - maxim_part_id = info->part_id; - switch (maxim_part_id) { - case SOF_SDW_PART_ID_MAX98363: - /* Default ops are set in function init_dai_link. - * called as part of function create_sdw_dailink - */ - break; - case SOF_SDW_PART_ID_MAX98373: - info->codec_card_late_probe = mx8373_sdw_late_probe; - dai_links->ops = &max_98373_sdw_ops; - break; - default: - dev_err(card->dev, "Invalid maxim_part_id %#x\n", maxim_part_id); - return -EINVAL; - } - return 0; -} |