494 lines
12 KiB
C
494 lines
12 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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//
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// Bells audio support
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//
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// Copyright 2012 Wolfson Microelectronics
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <sound/jack.h>
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#include <linux/gpio.h>
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#include <linux/module.h>
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#include "../codecs/wm5102.h"
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#include "../codecs/wm9081.h"
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/* BCLK2 is fixed at this currently */
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#define BCLK2_RATE (64 * 8000)
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/*
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* Expect a 24.576MHz crystal if one is fitted (the driver will function
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* if this is not fitted).
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*/
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#define MCLK_RATE 24576000
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#define SYS_AUDIO_RATE 44100
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#define SYS_MCLK_RATE (SYS_AUDIO_RATE * 512)
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#define DAI_AP_DSP 0
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#define DAI_DSP_CODEC 1
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#define DAI_CODEC_CP 2
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#define DAI_CODEC_SUB 3
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struct bells_drvdata {
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int sysclk_rate;
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int asyncclk_rate;
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};
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static struct bells_drvdata wm2200_drvdata = {
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.sysclk_rate = 22579200,
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};
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static struct bells_drvdata wm5102_drvdata = {
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.sysclk_rate = 45158400,
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.asyncclk_rate = 49152000,
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};
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static struct bells_drvdata wm5110_drvdata = {
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.sysclk_rate = 135475200,
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.asyncclk_rate = 147456000,
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};
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static int bells_set_bias_level(struct snd_soc_card *card,
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struct snd_soc_dapm_context *dapm,
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enum snd_soc_bias_level level)
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{
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struct snd_soc_pcm_runtime *rtd;
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struct snd_soc_dai *codec_dai;
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struct snd_soc_component *component;
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struct bells_drvdata *bells = card->drvdata;
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int ret;
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);
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codec_dai = asoc_rtd_to_codec(rtd, 0);
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component = codec_dai->component;
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if (dapm->dev != codec_dai->dev)
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return 0;
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switch (level) {
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case SND_SOC_BIAS_PREPARE:
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if (dapm->bias_level != SND_SOC_BIAS_STANDBY)
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break;
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ret = snd_soc_component_set_pll(component, WM5102_FLL1,
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ARIZONA_FLL_SRC_MCLK1,
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MCLK_RATE,
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bells->sysclk_rate);
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if (ret < 0)
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pr_err("Failed to start FLL: %d\n", ret);
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if (bells->asyncclk_rate) {
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ret = snd_soc_component_set_pll(component, WM5102_FLL2,
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ARIZONA_FLL_SRC_AIF2BCLK,
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BCLK2_RATE,
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bells->asyncclk_rate);
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if (ret < 0)
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pr_err("Failed to start FLL: %d\n", ret);
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}
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break;
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default:
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break;
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}
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return 0;
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}
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static int bells_set_bias_level_post(struct snd_soc_card *card,
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struct snd_soc_dapm_context *dapm,
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enum snd_soc_bias_level level)
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{
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struct snd_soc_pcm_runtime *rtd;
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struct snd_soc_dai *codec_dai;
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struct snd_soc_component *component;
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struct bells_drvdata *bells = card->drvdata;
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int ret;
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);
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codec_dai = asoc_rtd_to_codec(rtd, 0);
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component = codec_dai->component;
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if (dapm->dev != codec_dai->dev)
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return 0;
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switch (level) {
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case SND_SOC_BIAS_STANDBY:
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ret = snd_soc_component_set_pll(component, WM5102_FLL1, 0, 0, 0);
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if (ret < 0) {
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pr_err("Failed to stop FLL: %d\n", ret);
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return ret;
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}
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if (bells->asyncclk_rate) {
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ret = snd_soc_component_set_pll(component, WM5102_FLL2,
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0, 0, 0);
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if (ret < 0) {
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pr_err("Failed to stop FLL: %d\n", ret);
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return ret;
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}
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}
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break;
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default:
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break;
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}
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dapm->bias_level = level;
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return 0;
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}
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static int bells_late_probe(struct snd_soc_card *card)
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{
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struct bells_drvdata *bells = card->drvdata;
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struct snd_soc_pcm_runtime *rtd;
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struct snd_soc_component *wm0010;
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struct snd_soc_component *component;
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struct snd_soc_dai *aif1_dai;
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struct snd_soc_dai *aif2_dai;
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struct snd_soc_dai *aif3_dai;
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struct snd_soc_dai *wm9081_dai;
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int ret;
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_AP_DSP]);
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wm0010 = asoc_rtd_to_codec(rtd, 0)->component;
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_DSP_CODEC]);
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component = asoc_rtd_to_codec(rtd, 0)->component;
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aif1_dai = asoc_rtd_to_codec(rtd, 0);
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ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_SYSCLK,
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ARIZONA_CLK_SRC_FLL1,
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bells->sysclk_rate,
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SND_SOC_CLOCK_IN);
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if (ret != 0) {
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dev_err(component->dev, "Failed to set SYSCLK: %d\n", ret);
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return ret;
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}
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ret = snd_soc_component_set_sysclk(wm0010, 0, 0, SYS_MCLK_RATE, 0);
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if (ret != 0) {
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dev_err(wm0010->dev, "Failed to set WM0010 clock: %d\n", ret);
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return ret;
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}
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ret = snd_soc_dai_set_sysclk(aif1_dai, ARIZONA_CLK_SYSCLK, 0, 0);
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if (ret != 0)
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dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
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ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_OPCLK, 0,
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SYS_MCLK_RATE, SND_SOC_CLOCK_OUT);
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if (ret != 0)
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dev_err(component->dev, "Failed to set OPCLK: %d\n", ret);
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if (card->num_rtd == DAI_CODEC_CP)
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return 0;
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ret = snd_soc_component_set_sysclk(component, ARIZONA_CLK_ASYNCCLK,
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ARIZONA_CLK_SRC_FLL2,
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bells->asyncclk_rate,
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SND_SOC_CLOCK_IN);
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if (ret != 0) {
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dev_err(component->dev, "Failed to set ASYNCCLK: %d\n", ret);
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return ret;
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}
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_CP]);
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aif2_dai = asoc_rtd_to_cpu(rtd, 0);
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ret = snd_soc_dai_set_sysclk(aif2_dai, ARIZONA_CLK_ASYNCCLK, 0, 0);
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if (ret != 0) {
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dev_err(aif2_dai->dev, "Failed to set AIF2 clock: %d\n", ret);
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return ret;
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}
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if (card->num_rtd == DAI_CODEC_SUB)
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return 0;
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rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[DAI_CODEC_SUB]);
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aif3_dai = asoc_rtd_to_cpu(rtd, 0);
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wm9081_dai = asoc_rtd_to_codec(rtd, 0);
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ret = snd_soc_dai_set_sysclk(aif3_dai, ARIZONA_CLK_SYSCLK, 0, 0);
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if (ret != 0) {
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dev_err(aif1_dai->dev, "Failed to set AIF1 clock: %d\n", ret);
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return ret;
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}
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ret = snd_soc_component_set_sysclk(wm9081_dai->component, WM9081_SYSCLK_MCLK,
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0, SYS_MCLK_RATE, 0);
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if (ret != 0) {
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dev_err(wm9081_dai->dev, "Failed to set MCLK: %d\n", ret);
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return ret;
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}
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return 0;
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}
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static const struct snd_soc_pcm_stream baseband_params = {
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.formats = SNDRV_PCM_FMTBIT_S32_LE,
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.rate_min = 8000,
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.rate_max = 8000,
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.channels_min = 2,
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.channels_max = 2,
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};
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static const struct snd_soc_pcm_stream sub_params = {
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.formats = SNDRV_PCM_FMTBIT_S32_LE,
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.rate_min = SYS_AUDIO_RATE,
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.rate_max = SYS_AUDIO_RATE,
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.channels_min = 2,
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.channels_max = 2,
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};
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SND_SOC_DAILINK_DEFS(wm2200_cpu_dsp,
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DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
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DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),
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DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
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SND_SOC_DAILINK_DEFS(wm2200_dsp_codec,
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DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
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DAILINK_COMP_ARRAY(COMP_CODEC("wm2200.1-003a", "wm2200")));
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static struct snd_soc_dai_link bells_dai_wm2200[] = {
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{
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.name = "CPU-DSP",
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.stream_name = "CPU-DSP",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
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| SND_SOC_DAIFMT_CBM_CFM,
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SND_SOC_DAILINK_REG(wm2200_cpu_dsp),
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},
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{
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.name = "DSP-CODEC",
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.stream_name = "DSP-CODEC",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
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| SND_SOC_DAIFMT_CBM_CFM,
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.params = &sub_params,
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.ignore_suspend = 1,
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SND_SOC_DAILINK_REG(wm2200_dsp_codec),
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},
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};
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SND_SOC_DAILINK_DEFS(wm5102_cpu_dsp,
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DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
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DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),
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DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
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SND_SOC_DAILINK_DEFS(wm5102_dsp_codec,
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DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
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DAILINK_COMP_ARRAY(COMP_CODEC("wm5102-codec", "wm5102-aif1")));
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SND_SOC_DAILINK_DEFS(wm5102_baseband,
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DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif2")),
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DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
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SND_SOC_DAILINK_DEFS(wm5102_sub,
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DAILINK_COMP_ARRAY(COMP_CPU("wm5102-aif3")),
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DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
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static struct snd_soc_dai_link bells_dai_wm5102[] = {
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{
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.name = "CPU-DSP",
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.stream_name = "CPU-DSP",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
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| SND_SOC_DAIFMT_CBM_CFM,
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SND_SOC_DAILINK_REG(wm5102_cpu_dsp),
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},
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{
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.name = "DSP-CODEC",
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.stream_name = "DSP-CODEC",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
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| SND_SOC_DAIFMT_CBM_CFM,
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.params = &sub_params,
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.ignore_suspend = 1,
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SND_SOC_DAILINK_REG(wm5102_dsp_codec),
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},
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{
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.name = "Baseband",
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.stream_name = "Baseband",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
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| SND_SOC_DAIFMT_CBM_CFM,
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.ignore_suspend = 1,
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.params = &baseband_params,
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SND_SOC_DAILINK_REG(wm5102_baseband),
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},
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{
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.name = "Sub",
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.stream_name = "Sub",
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
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| SND_SOC_DAIFMT_CBS_CFS,
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.ignore_suspend = 1,
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.params = &sub_params,
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SND_SOC_DAILINK_REG(wm5102_sub),
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},
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};
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SND_SOC_DAILINK_DEFS(wm5110_cpu_dsp,
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DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
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DAILINK_COMP_ARRAY(COMP_CODEC("spi0.0", "wm0010-sdi1")),
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DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
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SND_SOC_DAILINK_DEFS(wm5110_dsp_codec,
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DAILINK_COMP_ARRAY(COMP_CPU("wm0010-sdi2")),
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DAILINK_COMP_ARRAY(COMP_CODEC("wm5110-codec", "wm5110-aif1")));
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SND_SOC_DAILINK_DEFS(wm5110_baseband,
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DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif2")),
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|
DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
|
||
|
|
|
||
|
|
|
||
|
|
SND_SOC_DAILINK_DEFS(wm5110_sub,
|
||
|
|
DAILINK_COMP_ARRAY(COMP_CPU("wm5110-aif3")),
|
||
|
|
DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
|
||
|
|
|
||
|
|
static struct snd_soc_dai_link bells_dai_wm5110[] = {
|
||
|
|
{
|
||
|
|
.name = "CPU-DSP",
|
||
|
|
.stream_name = "CPU-DSP",
|
||
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
|
||
|
|
| SND_SOC_DAIFMT_CBM_CFM,
|
||
|
|
SND_SOC_DAILINK_REG(wm5110_cpu_dsp),
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "DSP-CODEC",
|
||
|
|
.stream_name = "DSP-CODEC",
|
||
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
|
||
|
|
| SND_SOC_DAIFMT_CBM_CFM,
|
||
|
|
.params = &sub_params,
|
||
|
|
.ignore_suspend = 1,
|
||
|
|
SND_SOC_DAILINK_REG(wm5110_dsp_codec),
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Baseband",
|
||
|
|
.stream_name = "Baseband",
|
||
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
|
||
|
|
| SND_SOC_DAIFMT_CBM_CFM,
|
||
|
|
.ignore_suspend = 1,
|
||
|
|
.params = &baseband_params,
|
||
|
|
SND_SOC_DAILINK_REG(wm5110_baseband),
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Sub",
|
||
|
|
.stream_name = "Sub",
|
||
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
|
||
|
|
| SND_SOC_DAIFMT_CBS_CFS,
|
||
|
|
.ignore_suspend = 1,
|
||
|
|
.params = &sub_params,
|
||
|
|
SND_SOC_DAILINK_REG(wm5110_sub),
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_codec_conf bells_codec_conf[] = {
|
||
|
|
{
|
||
|
|
.dlc = COMP_CODEC_CONF("wm9081.1-006c"),
|
||
|
|
.name_prefix = "Sub",
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_widget bells_widgets[] = {
|
||
|
|
SND_SOC_DAPM_MIC("DMIC", NULL),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_route bells_routes[] = {
|
||
|
|
{ "Sub CLK_SYS", NULL, "OPCLK" },
|
||
|
|
{ "CLKIN", NULL, "OPCLK" },
|
||
|
|
|
||
|
|
{ "DMIC", NULL, "MICBIAS2" },
|
||
|
|
{ "IN2L", NULL, "DMIC" },
|
||
|
|
{ "IN2R", NULL, "DMIC" },
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_card bells_cards[] = {
|
||
|
|
{
|
||
|
|
.name = "Bells WM2200",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.dai_link = bells_dai_wm2200,
|
||
|
|
.num_links = ARRAY_SIZE(bells_dai_wm2200),
|
||
|
|
.codec_conf = bells_codec_conf,
|
||
|
|
.num_configs = ARRAY_SIZE(bells_codec_conf),
|
||
|
|
|
||
|
|
.late_probe = bells_late_probe,
|
||
|
|
|
||
|
|
.dapm_widgets = bells_widgets,
|
||
|
|
.num_dapm_widgets = ARRAY_SIZE(bells_widgets),
|
||
|
|
.dapm_routes = bells_routes,
|
||
|
|
.num_dapm_routes = ARRAY_SIZE(bells_routes),
|
||
|
|
|
||
|
|
.set_bias_level = bells_set_bias_level,
|
||
|
|
.set_bias_level_post = bells_set_bias_level_post,
|
||
|
|
|
||
|
|
.drvdata = &wm2200_drvdata,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Bells WM5102",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.dai_link = bells_dai_wm5102,
|
||
|
|
.num_links = ARRAY_SIZE(bells_dai_wm5102),
|
||
|
|
.codec_conf = bells_codec_conf,
|
||
|
|
.num_configs = ARRAY_SIZE(bells_codec_conf),
|
||
|
|
|
||
|
|
.late_probe = bells_late_probe,
|
||
|
|
|
||
|
|
.dapm_widgets = bells_widgets,
|
||
|
|
.num_dapm_widgets = ARRAY_SIZE(bells_widgets),
|
||
|
|
.dapm_routes = bells_routes,
|
||
|
|
.num_dapm_routes = ARRAY_SIZE(bells_routes),
|
||
|
|
|
||
|
|
.set_bias_level = bells_set_bias_level,
|
||
|
|
.set_bias_level_post = bells_set_bias_level_post,
|
||
|
|
|
||
|
|
.drvdata = &wm5102_drvdata,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Bells WM5110",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.dai_link = bells_dai_wm5110,
|
||
|
|
.num_links = ARRAY_SIZE(bells_dai_wm5110),
|
||
|
|
.codec_conf = bells_codec_conf,
|
||
|
|
.num_configs = ARRAY_SIZE(bells_codec_conf),
|
||
|
|
|
||
|
|
.late_probe = bells_late_probe,
|
||
|
|
|
||
|
|
.dapm_widgets = bells_widgets,
|
||
|
|
.num_dapm_widgets = ARRAY_SIZE(bells_widgets),
|
||
|
|
.dapm_routes = bells_routes,
|
||
|
|
.num_dapm_routes = ARRAY_SIZE(bells_routes),
|
||
|
|
|
||
|
|
.set_bias_level = bells_set_bias_level,
|
||
|
|
.set_bias_level_post = bells_set_bias_level_post,
|
||
|
|
|
||
|
|
.drvdata = &wm5110_drvdata,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static int bells_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
bells_cards[pdev->id].dev = &pdev->dev;
|
||
|
|
|
||
|
|
ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]);
|
||
|
|
if (ret)
|
||
|
|
dev_err(&pdev->dev,
|
||
|
|
"snd_soc_register_card(%s) failed: %d\n",
|
||
|
|
bells_cards[pdev->id].name, ret);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct platform_driver bells_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "bells",
|
||
|
|
.pm = &snd_soc_pm_ops,
|
||
|
|
},
|
||
|
|
.probe = bells_probe,
|
||
|
|
};
|
||
|
|
|
||
|
|
module_platform_driver(bells_driver);
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("Bells audio support");
|
||
|
|
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
MODULE_ALIAS("platform:bells");
|