diff options
Diffstat (limited to 'sound/soc/intel/boards/sof_sdw_rt1308.c')
| -rw-r--r-- | sound/soc/intel/boards/sof_sdw_rt1308.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/sound/soc/intel/boards/sof_sdw_rt1308.c b/sound/soc/intel/boards/sof_sdw_rt1308.c deleted file mode 100644 index f078fb1aad02..000000000000 --- a/sound/soc/intel/boards/sof_sdw_rt1308.c +++ /dev/null @@ -1,158 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -// Copyright (c) 2020 Intel Corporation - -/* - * sof_sdw_rt1308 - Helpers to handle RT1308 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 "../../codecs/rt1308.h" - -static const struct snd_soc_dapm_widget rt1308_widgets[] = { - SND_SOC_DAPM_SPK("Speaker", NULL), -}; - -/* - * dapm routes for rt1308 will be registered dynamically according - * to the number of rt1308 used. The first two entries will be registered - * for one codec case, and the last two entries are also registered - * if two 1308s 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_kcontrol_new rt1308_controls[] = { - SOC_DAPM_PIN_SWITCH("Speaker"), -}; - -static int first_spk_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:rt1308", - card->components); - if (!card->components) - return -ENOMEM; - - ret = snd_soc_add_card_controls(card, rt1308_controls, - ARRAY_SIZE(rt1308_controls)); - if (ret) { - dev_err(card->dev, "rt1308 controls addition failed: %d\n", ret); - return ret; - } - - ret = snd_soc_dapm_new_controls(&card->dapm, rt1308_widgets, - ARRAY_SIZE(rt1308_widgets)); - if (ret) { - dev_err(card->dev, "rt1308 widgets addition failed: %d\n", ret); - return ret; - } - - ret = snd_soc_dapm_add_routes(&card->dapm, rt1308_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; - int ret; - - ret = snd_soc_dapm_add_routes(&card->dapm, rt1308_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_rt1308_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) -{ - /* 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) { - /* - * if two 1308s 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; -} |