/* * midas_wm1811.c * * Copyright (c) 2011 Samsung Electronics Co. Ltd * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(CONFIG_SND_USE_MUIC_SWITCH) #include #endif #include "i2s.h" #include "s3c-i2s-v2.h" #include "../codecs/wm8994.h" #define MIDAS_DEFAULT_MCLK1 24000000 #define MIDAS_DEFAULT_MCLK2 32768 #define MIDAS_DEFAULT_SYNC_CLK 11289600 #define WM1811_JACKDET_MODE_NONE 0x0000 #define WM1811_JACKDET_MODE_JACK 0x0100 #define WM1811_JACKDET_MODE_MIC 0x0080 #define WM1811_JACKDET_MODE_AUDIO 0x0180 #define WM1811_JACKDET_BTN0 0x04 #define WM1811_JACKDET_BTN1 0x10 #define WM1811_JACKDET_BTN2 0x08 static struct wm8958_micd_rate midas_det_rates[] = { { MIDAS_DEFAULT_MCLK2, true, 0, 0 }, { MIDAS_DEFAULT_MCLK2, false, 0, 0 }, { MIDAS_DEFAULT_SYNC_CLK, true, 7, 7 }, { MIDAS_DEFAULT_SYNC_CLK, false, 7, 7 }, }; static struct wm8958_micd_rate midas_jackdet_rates[] = { { MIDAS_DEFAULT_MCLK2, true, 0, 0 }, { MIDAS_DEFAULT_MCLK2, false, 0, 0 }, { MIDAS_DEFAULT_SYNC_CLK, true, 12, 12 }, { MIDAS_DEFAULT_SYNC_CLK, false, 7, 8 }, }; static int aif2_mode; const char *aif2_mode_text[] = { "Slave", "Master" }; static int kpcs_mode = 1; const char *kpcs_mode_text[] = { "Off", "On" }; static int input_clamp; const char *input_clamp_text[] = { "Off", "On" }; static int lineout_mode; const char *lineout_mode_text[] = { "Off", "On" }; #ifndef CONFIG_SEC_DEV_JACK /* To support PBA function test */ static struct class *jack_class; static struct device *jack_dev; #endif #ifdef SND_USE_BIAS_LEVEL static bool midas_fll1_active; struct snd_soc_dai *midas_aif1_dai; #endif struct wm1811_machine_priv { struct snd_soc_jack jack; struct snd_soc_codec *codec; struct delayed_work mic_work; struct wake_lock jackdet_wake_lock; }; static void midas_gpio_init(void) { int err; #ifdef CONFIG_SND_SOC_USE_EXTERNAL_MIC_BIAS /* Main Microphone BIAS */ err = gpio_request(GPIO_MIC_BIAS_EN, "MAIN MIC"); if (err) { pr_err(KERN_ERR "MIC_BIAS_EN GPIO set error!\n"); return; } gpio_direction_output(GPIO_MIC_BIAS_EN, 1); gpio_set_value(GPIO_MIC_BIAS_EN, 0); gpio_free(GPIO_MIC_BIAS_EN); #endif #ifdef CONFIG_SND_USE_SUB_MIC /* Sub Microphone BIAS */ err = gpio_request(GPIO_SUB_MIC_BIAS_EN, "SUB MIC"); if (err) { pr_err(KERN_ERR "SUB_MIC_BIAS_EN GPIO set error!\n"); return; } gpio_direction_output(GPIO_SUB_MIC_BIAS_EN, 1); gpio_set_value(GPIO_SUB_MIC_BIAS_EN, 0); gpio_free(GPIO_SUB_MIC_BIAS_EN); #endif #ifdef CONFIG_SND_USE_THIRD_MIC /* Third Microphone BIAS */ err = gpio_request(GPIO_THIRD_MIC_BIAS_EN, "THIRD MIC"); if (err) { pr_err(KERN_ERR "THIRD_MIC_BIAS_EN GPIO set error!\n"); return; } gpio_direction_output(GPIO_THIRD_MIC_BIAS_EN, 1); gpio_set_value(GPIO_THIRD_MIC_BIAS_EN, 0); gpio_free(GPIO_THIRD_MIC_BIAS_EN); #endif #ifdef CONFIG_FM_RADIO /* FM/Third Mic GPIO */ err = gpio_request(GPIO_FM_MIC_SW, "GPL0"); if (err) { pr_err(KERN_ERR "FM/THIRD_MIC Switch GPIO set error!\n"); return; } gpio_direction_output(GPIO_FM_MIC_SW, 1); gpio_set_value(GPIO_FM_MIC_SW, 0); gpio_free(GPIO_FM_MIC_SW); #endif #ifdef CONFIG_SND_USE_LINEOUT_SWITCH err = gpio_request(GPIO_LINEOUT_EN, "LINEOUT_EN"); if (err) { pr_err(KERN_ERR "LINEOUT_EN GPIO set error!\n"); return; } gpio_direction_output(GPIO_LINEOUT_EN, 1); gpio_set_value(GPIO_LINEOUT_EN, 0); gpio_free(GPIO_LINEOUT_EN); #endif } static const struct soc_enum lineout_mode_enum[] = { SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lineout_mode_text), lineout_mode_text), }; static int get_lineout_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = lineout_mode; return 0; } static int set_lineout_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); lineout_mode = ucontrol->value.integer.value[0]; #ifdef CONFIG_SND_USE_LINEOUT_SWITCH if (lineout_mode) { wm8994_vmid_mode(codec, WM8994_VMID_FORCE); gpio_set_value(GPIO_LINEOUT_EN, 1); } else { wm8994_vmid_mode(codec, WM8994_VMID_NORMAL); gpio_set_value(GPIO_LINEOUT_EN, 0); } #endif dev_dbg(codec->dev, "set lineout mode : %s\n", lineout_mode_text[lineout_mode]); return 0; } static const struct soc_enum aif2_mode_enum[] = { SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(aif2_mode_text), aif2_mode_text), }; static const struct soc_enum kpcs_mode_enum[] = { SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(kpcs_mode_text), kpcs_mode_text), }; static const struct soc_enum input_clamp_enum[] = { SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_clamp_text), input_clamp_text), }; static int get_aif2_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = aif2_mode; return 0; } static int set_aif2_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { if (aif2_mode == ucontrol->value.integer.value[0]) return 0; aif2_mode = ucontrol->value.integer.value[0]; pr_info("set aif2 mode : %s\n", aif2_mode_text[aif2_mode]); return 0; } static int get_kpcs_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = kpcs_mode; return 0; } static int set_kpcs_mode(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { kpcs_mode = ucontrol->value.integer.value[0]; pr_info("set kpcs mode : %s\n", kpcs_mode_text[kpcs_mode]); return 0; } static int get_input_clamp(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { ucontrol->value.integer.value[0] = input_clamp; return 0; } static int set_input_clamp(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); input_clamp = ucontrol->value.integer.value[0]; if (input_clamp) { snd_soc_update_bits(codec, WM8994_INPUT_MIXER_1, WM8994_INPUTS_CLAMP, WM8994_INPUTS_CLAMP); msleep(100); } else { snd_soc_update_bits(codec, WM8994_INPUT_MIXER_1, WM8994_INPUTS_CLAMP, 0); } pr_info("set fm input_clamp : %s\n", input_clamp_text[input_clamp]); return 0; } static int midas_ext_micbias(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; dev_dbg(codec->dev, "%s event is %02X", w->name, event); #ifdef CONFIG_SND_SOC_USE_EXTERNAL_MIC_BIAS switch (event) { case SND_SOC_DAPM_PRE_PMU: gpio_set_value(GPIO_MIC_BIAS_EN, 1); msleep(150); break; case SND_SOC_DAPM_POST_PMD: gpio_set_value(GPIO_MIC_BIAS_EN, 0); break; } #endif return 0; } static int midas_ext_submicbias(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; dev_dbg(codec->dev, "%s event is %02X", w->name, event); #ifdef CONFIG_SND_USE_SUB_MIC switch (event) { case SND_SOC_DAPM_PRE_PMU: gpio_set_value(GPIO_SUB_MIC_BIAS_EN, 1); msleep(150); break; case SND_SOC_DAPM_POST_PMD: gpio_set_value(GPIO_SUB_MIC_BIAS_EN, 0); break; } #endif return 0; } static int midas_ext_thirdmicbias(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; dev_dbg(codec->dev, "%s event is %02X", w->name, event); #ifdef CONFIG_SND_USE_THIRD_MIC switch (event) { case SND_SOC_DAPM_PRE_PMU: gpio_set_value(GPIO_THIRD_MIC_BIAS_EN, 1); break; case SND_SOC_DAPM_POST_PMD: gpio_set_value(GPIO_THIRD_MIC_BIAS_EN, 0); break; } #endif return 0; } /* * midas_ext_spkmode : * For phone device have 1 external speaker * should mix LR data in a speaker mixer (mono setting) */ static int midas_ext_spkmode(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { int ret = 0; #ifndef CONFIG_SND_USE_STEREO_SPEAKER struct snd_soc_codec *codec = w->codec; ret = snd_soc_update_bits(codec, WM8994_SPKOUT_MIXERS, WM8994_SPKMIXR_TO_SPKOUTL_MASK, WM8994_SPKMIXR_TO_SPKOUTL); #endif return ret; } static int midas_lineout_switch(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; dev_dbg(codec->dev, "%s event is %02X", w->name, event); #if defined(CONFIG_SND_USE_MUIC_SWITCH) switch (event) { case SND_SOC_DAPM_POST_PMU: msleep(50); max77693_muic_set_audio_switch(1); break; case SND_SOC_DAPM_PRE_PMD: max77693_muic_set_audio_switch(0); break; } #endif return 0; } static void midas_micd_set_rate(struct snd_soc_codec *codec) { struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); int best, i, sysclk, val; bool idle; const struct wm8958_micd_rate *rates = NULL; int num_rates = 0; idle = !wm8994->jack_mic; sysclk = snd_soc_read(codec, WM8994_CLOCKING_1); if (sysclk & WM8994_SYSCLK_SRC) sysclk = wm8994->aifclk[1]; else sysclk = wm8994->aifclk[0]; if (wm8994->jackdet) { rates = midas_jackdet_rates; num_rates = ARRAY_SIZE(midas_jackdet_rates); wm8994->pdata->micd_rates = midas_jackdet_rates; wm8994->pdata->num_micd_rates = num_rates; } else { rates = midas_det_rates; num_rates = ARRAY_SIZE(midas_det_rates); wm8994->pdata->micd_rates = midas_det_rates; wm8994->pdata->num_micd_rates = num_rates; } best = 0; for (i = 0; i < num_rates; i++) { if (rates[i].idle != idle) continue; if (abs(rates[i].sysclk - sysclk) < abs(rates[best].sysclk - sysclk)) best = i; else if (rates[best].idle != idle) best = i; } val = rates[best].start << WM8958_MICD_BIAS_STARTTIME_SHIFT | rates[best].rate << WM8958_MICD_RATE_SHIFT; snd_soc_update_bits(codec, WM8958_MIC_DETECT_1, WM8958_MICD_BIAS_STARTTIME_MASK | WM8958_MICD_RATE_MASK, val); } #ifdef SND_USE_BIAS_LEVEL static void midas_start_fll1(struct snd_soc_dai *aif1_dai) { int ret; if (midas_fll1_active) return; dev_info(aif1_dai->dev, "Moving to audio clocking settings\n"); /* Switch AIF1 to MCLK2 while we bring stuff up */ ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2, MIDAS_DEFAULT_MCLK2, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(aif1_dai->dev, "Unable to switch to MCLK2: %d\n", ret); /* Start the 24MHz clock to provide a high frequency reference to * provide a high frequency reference for the FLL, giving improved * performance. */ midas_snd_set_mclk(true, true); /* Switch the FLL */ ret = snd_soc_dai_set_pll(aif1_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1, MIDAS_DEFAULT_MCLK1, MIDAS_DEFAULT_SYNC_CLK); if (ret < 0) dev_err(aif1_dai->dev, "Unable to start FLL1: %d\n", ret); /* Then switch AIF1CLK to it */ ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_FLL1, MIDAS_DEFAULT_SYNC_CLK, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(aif1_dai->dev, "Unable to switch to FLL1: %d\n", ret); midas_fll1_active = true; } #endif static void midas_micdet(u16 status, void *data) { struct wm1811_machine_priv *wm1811 = data; struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(wm1811->codec); int report; wake_lock_timeout(&wm1811->jackdet_wake_lock, 5 * HZ); /* Either nothing present or just starting detection */ if (!(status & WM8958_MICD_STS)) { if (!wm8994->jackdet) { /* If nothing present then clear our statuses */ dev_dbg(wm1811->codec->dev, "Detected open circuit\n"); wm8994->jack_mic = false; wm8994->mic_detecting = true; midas_micd_set_rate(wm1811->codec); snd_soc_jack_report(wm8994->micdet[0].jack, 0, wm8994->btn_mask | SND_JACK_HEADSET); } /*ToDo*/ /*return;*/ } /* If the measurement is showing a high impedence we've got a * microphone. */ if (wm8994->mic_detecting && (status & 0x400)) { dev_info(wm1811->codec->dev, "Detected microphone\n"); wm8994->mic_detecting = false; wm8994->jack_mic = true; midas_micd_set_rate(wm1811->codec); snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADSET, SND_JACK_HEADSET); } if (wm8994->mic_detecting && status & 0x4) { dev_info(wm1811->codec->dev, "Detected headphone\n"); wm8994->mic_detecting = false; midas_micd_set_rate(wm1811->codec); snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADPHONE, SND_JACK_HEADSET); /* If we have jackdet that will detect removal */ if (wm8994->jackdet) { mutex_lock(&wm8994->accdet_lock); snd_soc_update_bits(wm1811->codec, WM8958_MIC_DETECT_1, WM8958_MICD_ENA, 0); if (wm8994->active_refcount) { snd_soc_update_bits(wm1811->codec, WM8994_ANTIPOP_2, WM1811_JACKDET_MODE_MASK, WM1811_JACKDET_MODE_AUDIO); } mutex_unlock(&wm8994->accdet_lock); if (wm8994->pdata->jd_ext_cap) { mutex_lock(&wm1811->codec->mutex); snd_soc_dapm_disable_pin(&wm1811->codec->dapm, "MICBIAS2"); snd_soc_dapm_sync(&wm1811->codec->dapm); mutex_unlock(&wm1811->codec->mutex); } } } /* Report short circuit as a button */ if (wm8994->jack_mic) { report = 0; if (status & WM1811_JACKDET_BTN0) report |= SND_JACK_BTN_0; if (status & WM1811_JACKDET_BTN1) report |= SND_JACK_BTN_1; if (status & WM1811_JACKDET_BTN2) report |= SND_JACK_BTN_2; dev_dbg(wm1811->codec->dev, "Detected Button: %08x (%08X)\n", report, status); snd_soc_jack_report(wm8994->micdet[0].jack, report, wm8994->btn_mask); } } #ifdef CONFIG_SND_SAMSUNG_I2S_MASTER static int set_epll_rate(unsigned long rate) { struct clk *fout_epll; fout_epll = clk_get(NULL, "fout_epll"); if (IS_ERR(fout_epll)) { printk(KERN_ERR "%s: failed to get fout_epll\n", __func__); return -ENOENT; } if (rate == clk_get_rate(fout_epll)) goto out; clk_set_rate(fout_epll, rate); out: clk_put(fout_epll); return 0; } #endif /* CONFIG_SND_SAMSUNG_I2S_MASTER */ #ifndef CONFIG_SND_SAMSUNG_I2S_MASTER static int midas_wm1811_aif1_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai *codec_dai = rtd->codec_dai; unsigned int pll_out; int ret; dev_info(codec_dai->dev, "%s ++\n", __func__); /* AIF1CLK should be >=3MHz for optimal performance */ if (params_rate(params) == 8000 || params_rate(params) == 11025) pll_out = params_rate(params) * 512; else pll_out = params_rate(params) * 256; ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); if (ret < 0) return ret; /* Set the cpu DAI configuration */ ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); if (ret < 0) return ret; #ifndef SND_USE_BIAS_LEVEL /* Switch the FLL */ ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1, MIDAS_DEFAULT_MCLK1, pll_out); if (ret < 0) dev_err(codec_dai->dev, "Unable to start FLL1: %d\n", ret); ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL1, pll_out, SND_SOC_CLOCK_IN); if (ret < 0) { dev_err(codec_dai->dev, "Unable to switch to FLL1: %d\n", ret); return ret; } ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_OPCLK, 0, MOD_OPCLK_PCLK); if (ret < 0) return ret; #else midas_start_fll1(codec_dai); #endif if (ret < 0) return ret; dev_info(codec_dai->dev, "%s --\n", __func__); return 0; } #else /* CONFIG_SND_SAMSUNG_I2S_MASTER */ static int midas_wm1811_aif1_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; int bfs, psr, rfs, ret; unsigned long rclk; switch (params_format(params)) { case SNDRV_PCM_FORMAT_U24: case SNDRV_PCM_FORMAT_S24: bfs = 48; break; case SNDRV_PCM_FORMAT_U16_LE: case SNDRV_PCM_FORMAT_S16_LE: bfs = 32; break; default: return -EINVAL; } switch (params_rate(params)) { case 16000: case 22050: case 24000: case 32000: case 44100: case 48000: case 88200: case 96000: if (bfs == 48) rfs = 384; else rfs = 256; break; case 64000: rfs = 384; break; case 8000: case 11025: case 12000: if (bfs == 48) rfs = 768; else rfs = 512; break; default: return -EINVAL; } rclk = params_rate(params) * rfs; switch (rclk) { case 4096000: case 5644800: case 6144000: case 8467200: case 9216000: psr = 8; break; case 8192000: case 11289600: case 12288000: case 16934400: case 18432000: psr = 4; break; case 22579200: case 24576000: case 33868800: case 36864000: psr = 2; break; case 67737600: case 73728000: psr = 1; break; default: printk(KERN_INFO "Not yet supported!\n"); return -EINVAL; } set_epll_rate(rclk * psr); ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); if (ret < 0) return ret; ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); if (ret < 0) return ret; ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1, rclk, SND_SOC_CLOCK_IN); if (ret < 0) return ret; ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_CDCLK, 0, SND_SOC_CLOCK_OUT); if (ret < 0) return ret; ret = snd_soc_dai_set_clkdiv(cpu_dai, SAMSUNG_I2S_DIV_BCLK, bfs); if (ret < 0) return ret; return 0; } #endif /* CONFIG_SND_SAMSUNG_I2S_MASTER */ /* * Midas WM1811 DAI operations. */ static struct snd_soc_ops midas_wm1811_aif1_ops = { .hw_params = midas_wm1811_aif1_hw_params, }; static int midas_wm1811_aif2_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret; int prate; int bclk; dev_info(codec_dai->dev, "%s ++\n", __func__); prate = params_rate(params); switch (params_rate(params)) { case 8000: case 16000: break; default: dev_warn(codec_dai->dev, "Unsupported LRCLK %d, falling back to 8000Hz\n", (int)params_rate(params)); prate = 8000; } #if defined(CONFIG_LTE_MODEM_CMC221) || defined(CONFIG_MACH_M0_CTC) #if defined(CONFIG_MACH_C1_KOR_LGT) || defined(CONFIG_MACH_C1VZW) /* Set the codec DAI configuration */ if (aif2_mode == 0) { if (kpcs_mode == 1) ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); else ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBS_CFS); } else ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); #else if (aif2_mode == 0) /* Set the codec DAI configuration */ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBS_CFS); else ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBM_CFM); #endif #else /* Set the codec DAI configuration, aif2_mode:0 is slave */ if (aif2_mode == 0) ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); else ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); #endif if (ret < 0) return ret; #if defined(CONFIG_LTE_MODEM_CMC221) || defined(CONFIG_MACH_M0_CTC) if (kpcs_mode == 1) { switch (prate) { case 8000: bclk = 256000; break; case 16000: bclk = 512000; break; default: return -EINVAL; } } else { bclk = 2048000; } #else switch (prate) { case 8000: bclk = 256000; break; case 16000: bclk = 512000; break; default: return -EINVAL; } #endif #ifdef SND_USE_BIAS_LEVEL if (!midas_fll1_active) midas_start_fll1(midas_aif1_dai); #endif if (aif2_mode == 0) { ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, WM8994_FLL_SRC_BCLK, bclk, prate * 256); } else { ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL2, WM8994_FLL_SRC_MCLK1, MIDAS_DEFAULT_MCLK1, prate * 256); } if (ret < 0) dev_err(codec_dai->dev, "Unable to configure FLL2: %d\n", ret); ret = snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_FLL2, prate * 256, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(codec_dai->dev, "Unable to switch to FLL2: %d\n", ret); dev_info(codec_dai->dev, "%s --\n", __func__); return 0; } static struct snd_soc_ops midas_wm1811_aif2_ops = { .hw_params = midas_wm1811_aif2_hw_params, }; static int midas_wm1811_aif3_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { pr_err("%s: enter\n", __func__); return 0; } static struct snd_soc_ops midas_wm1811_aif3_ops = { .hw_params = midas_wm1811_aif3_hw_params, }; static const struct snd_kcontrol_new midas_controls[] = { SOC_DAPM_PIN_SWITCH("HP"), SOC_DAPM_PIN_SWITCH("SPK"), SOC_DAPM_PIN_SWITCH("RCV"), SOC_DAPM_PIN_SWITCH("FM In"), SOC_DAPM_PIN_SWITCH("LINE"), SOC_DAPM_PIN_SWITCH("HDMI"), SOC_DAPM_PIN_SWITCH("Main Mic"), SOC_DAPM_PIN_SWITCH("Sub Mic"), SOC_DAPM_PIN_SWITCH("Third Mic"), SOC_DAPM_PIN_SWITCH("Headset Mic"), SOC_ENUM_EXT("AIF2 Mode", aif2_mode_enum[0], get_aif2_mode, set_aif2_mode), SOC_ENUM_EXT("KPCS Mode", kpcs_mode_enum[0], get_kpcs_mode, set_kpcs_mode), SOC_ENUM_EXT("Input Clamp", input_clamp_enum[0], get_input_clamp, set_input_clamp), SOC_ENUM_EXT("LineoutSwitch Mode", lineout_mode_enum[0], get_lineout_mode, set_lineout_mode), }; const struct snd_soc_dapm_widget midas_dapm_widgets[] = { SND_SOC_DAPM_HP("HP", NULL), SND_SOC_DAPM_SPK("SPK", midas_ext_spkmode), SND_SOC_DAPM_SPK("RCV", NULL), SND_SOC_DAPM_LINE("LINE", midas_lineout_switch), SND_SOC_DAPM_LINE("HDMI", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_MIC("Main Mic", midas_ext_micbias), SND_SOC_DAPM_MIC("Sub Mic", midas_ext_submicbias), SND_SOC_DAPM_MIC("Third Mic", midas_ext_thirdmicbias), SND_SOC_DAPM_LINE("FM In", NULL), SND_SOC_DAPM_INPUT("S5P RP"), }; const struct snd_soc_dapm_route midas_dapm_routes[] = { { "HP", NULL, "HPOUT1L" }, { "HP", NULL, "HPOUT1R" }, { "SPK", NULL, "SPKOUTLN" }, { "SPK", NULL, "SPKOUTLP" }, { "SPK", NULL, "SPKOUTRN" }, { "SPK", NULL, "SPKOUTRP" }, { "RCV", NULL, "HPOUT2N" }, { "RCV", NULL, "HPOUT2P" }, { "LINE", NULL, "LINEOUT2N" }, { "LINE", NULL, "LINEOUT2P" }, { "HDMI", NULL, "LINEOUT1N" }, { "HDMI", NULL, "LINEOUT1P" }, { "IN1LP", NULL, "MICBIAS1" }, { "IN1LN", NULL, "MICBIAS1" }, { "MICBIAS1", NULL, "Main Mic" }, { "IN1RP", NULL, "Sub Mic" }, { "IN1RN", NULL, "Sub Mic" }, { "IN2LP:VXRN", NULL, "MICBIAS2" }, { "MICBIAS2", NULL, "Headset Mic" }, { "AIF1DAC1L", NULL, "S5P RP" }, { "AIF1DAC1R", NULL, "S5P RP" }, { "IN2RN", NULL, "FM In" }, { "IN2RP:VXRP", NULL, "FM In" }, { "IN2RN", NULL, "Third Mic" }, { "IN2RP:VXRP", NULL, "Third Mic" }, }; static struct snd_soc_dai_driver midas_ext_dai[] = { { .name = "midas.cp", .playback = { .channels_min = 1, .channels_max = 2, .rate_min = 8000, .rate_max = 16000, .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .capture = { .channels_min = 1, .channels_max = 2, .rate_min = 8000, .rate_max = 16000, .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, }, { .name = "midas.bt", .playback = { .channels_min = 1, .channels_max = 2, .rate_min = 8000, .rate_max = 16000, .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .capture = { .channels_min = 1, .channels_max = 2, .rate_min = 8000, .rate_max = 16000, .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, }, }; #ifndef CONFIG_SEC_DEV_JACK static ssize_t earjack_state_show(struct device *dev, struct device_attribute *attr, char *buf) { struct snd_soc_codec *codec = dev_get_drvdata(dev); struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); int report = 0; if ((wm8994->micdet[0].jack->status & SND_JACK_HEADPHONE) || (wm8994->micdet[0].jack->status & SND_JACK_HEADSET)) { report = 1; } return sprintf(buf, "%d\n", report); } static ssize_t earjack_state_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { pr_info("%s : operate nothing\n", __func__); return size; } static ssize_t earjack_key_state_show(struct device *dev, struct device_attribute *attr, char *buf) { struct snd_soc_codec *codec = dev_get_drvdata(dev); struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); int report = 0; if (wm8994->micdet[0].jack->status & SND_JACK_BTN_0) report = 1; return sprintf(buf, "%d\n", report); } static ssize_t earjack_key_state_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { pr_info("%s : operate nothing\n", __func__); return size; } static ssize_t earjack_select_jack_show(struct device *dev, struct device_attribute *attr, char *buf) { pr_info("%s : operate nothing\n", __func__); return 0; } static ssize_t earjack_select_jack_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { struct snd_soc_codec *codec = dev_get_drvdata(dev); struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); wm8994->mic_detecting = false; wm8994->jack_mic = true; midas_micd_set_rate(codec); if ((!size) || (buf[0] != '1')) { snd_soc_jack_report(wm8994->micdet[0].jack, 0, SND_JACK_HEADSET); dev_info(codec->dev, "Forced remove microphone\n"); } else { snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADSET, SND_JACK_HEADSET); dev_info(codec->dev, "Forced detect microphone\n"); } return size; } static ssize_t reselect_jack_show(struct device *dev, struct device_attribute *attr, char *buf) { pr_info("%s : operate nothing\n", __func__); return 0; } static ssize_t reselect_jack_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { struct snd_soc_codec *codec = dev_get_drvdata(dev); struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); int reg = 0; reg = snd_soc_read(codec, WM8958_MIC_DETECT_3); if (reg == 0x402) { dev_info(codec->dev, "Detected open circuit\n"); snd_soc_update_bits(codec, WM8958_MICBIAS2, WM8958_MICB2_DISCH, WM8958_MICB2_DISCH); /* Enable debounce while removed */ snd_soc_update_bits(codec, WM1811_JACKDET_CTRL, WM1811_JACKDET_DB, WM1811_JACKDET_DB); wm8994->mic_detecting = false; wm8994->jack_mic = false; snd_soc_update_bits(codec, WM8958_MIC_DETECT_1, WM8958_MICD_ENA, 0); if (wm8994->active_refcount) { snd_soc_update_bits(codec, WM8994_ANTIPOP_2, WM1811_JACKDET_MODE_MASK, WM1811_JACKDET_MODE_AUDIO); } else { snd_soc_update_bits(codec, WM8994_ANTIPOP_2, WM1811_JACKDET_MODE_MASK, WM1811_JACKDET_MODE_JACK); } snd_soc_jack_report(wm8994->micdet[0].jack, 0, SND_JACK_MECHANICAL | SND_JACK_HEADSET | wm8994->btn_mask); } return size; } static DEVICE_ATTR(reselect_jack, S_IRUGO | S_IWUSR | S_IWGRP, reselect_jack_show, reselect_jack_store); static DEVICE_ATTR(select_jack, S_IRUGO | S_IWUSR | S_IWGRP, earjack_select_jack_show, earjack_select_jack_store); static DEVICE_ATTR(key_state, S_IRUGO | S_IWUSR | S_IWGRP, earjack_key_state_show, earjack_key_state_store); static DEVICE_ATTR(state, S_IRUGO | S_IWUSR | S_IWGRP, earjack_state_show, earjack_state_store); #endif static int midas_wm1811_init_paiftx(struct snd_soc_pcm_runtime *rtd) { struct wm1811_machine_priv *wm1811; struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dai *aif1_dai = rtd->codec_dai; struct wm8994 *control = codec->control_data; struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); int ret; #ifdef SND_USE_BIAS_LEVEL midas_aif1_dai = aif1_dai; #endif midas_snd_set_mclk(true, false); rtd->codec_dai->driver->playback.channels_max = rtd->cpu_dai->driver->playback.channels_max; ret = snd_soc_add_controls(codec, midas_controls, ARRAY_SIZE(midas_controls)); ret = snd_soc_dapm_new_controls(&codec->dapm, midas_dapm_widgets, ARRAY_SIZE(midas_dapm_widgets)); if (ret != 0) dev_err(codec->dev, "Failed to add DAPM widgets: %d\n", ret); ret = snd_soc_dapm_add_routes(&codec->dapm, midas_dapm_routes, ARRAY_SIZE(midas_dapm_routes)); if (ret != 0) dev_err(codec->dev, "Failed to add DAPM routes: %d\n", ret); ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2, MIDAS_DEFAULT_MCLK2, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(codec->dev, "Failed to boot clocking\n"); #ifndef CONFIG_SEC_DEV_JACK /* Force AIF1CLK on as it will be master for jack detection */ if (wm8994->revision > 1) { ret = snd_soc_dapm_force_enable_pin(&codec->dapm, "AIF1CLK"); if (ret < 0) dev_err(codec->dev, "Failed to enable AIF1CLK: %d\n", ret); } #endif ret = snd_soc_dapm_disable_pin(&codec->dapm, "S5P RP"); if (ret < 0) dev_err(codec->dev, "Failed to disable S5P RP: %d\n", ret); wm1811 = kmalloc(sizeof *wm1811, GFP_KERNEL); if (!wm1811) { dev_err(codec->dev, "Failed to allocate memory!"); return -ENOMEM; } snd_soc_dapm_ignore_suspend(&codec->dapm, "RCV"); snd_soc_dapm_ignore_suspend(&codec->dapm, "SPK"); snd_soc_dapm_ignore_suspend(&codec->dapm, "HP"); snd_soc_dapm_ignore_suspend(&codec->dapm, "Headset Mic"); snd_soc_dapm_ignore_suspend(&codec->dapm, "Sub Mic"); snd_soc_dapm_ignore_suspend(&codec->dapm, "Main Mic"); snd_soc_dapm_ignore_suspend(&codec->dapm, "AIF1DACDAT"); snd_soc_dapm_ignore_suspend(&codec->dapm, "AIF2DACDAT"); snd_soc_dapm_ignore_suspend(&codec->dapm, "AIF3DACDAT"); snd_soc_dapm_ignore_suspend(&codec->dapm, "AIF1ADCDAT"); snd_soc_dapm_ignore_suspend(&codec->dapm, "AIF2ADCDAT"); snd_soc_dapm_ignore_suspend(&codec->dapm, "AIF3ADCDAT"); snd_soc_dapm_ignore_suspend(&codec->dapm, "FM In"); snd_soc_dapm_ignore_suspend(&codec->dapm, "LINE"); snd_soc_dapm_ignore_suspend(&codec->dapm, "HDMI"); snd_soc_dapm_ignore_suspend(&codec->dapm, "Third Mic"); wm1811->codec = codec; midas_micd_set_rate(codec); #ifdef CONFIG_SEC_DEV_JACK /* By default use idle_bias_off, will override for WM8994 */ codec->dapm.idle_bias_off = 0; #else /* CONFIG_SEC_DEV_JACK */ wm1811->jack.status = 0; ret = snd_soc_jack_new(codec, "Midas Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2, &wm1811->jack); if (ret < 0) dev_err(codec->dev, "Failed to create jack: %d\n", ret); ret = snd_jack_set_key(wm1811->jack.jack, SND_JACK_BTN_0, KEY_MEDIA); if (ret < 0) dev_err(codec->dev, "Failed to set KEY_MEDIA: %d\n", ret); ret = snd_jack_set_key(wm1811->jack.jack, SND_JACK_BTN_1, KEY_VOLUMEDOWN); if (ret < 0) dev_err(codec->dev, "Failed to set KEY_VOLUMEUP: %d\n", ret); ret = snd_jack_set_key(wm1811->jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP); if (ret < 0) dev_err(codec->dev, "Failed to set KEY_VOLUMEDOWN: %d\n", ret); if (wm8994->revision > 1) { dev_info(codec->dev, "wm1811: Rev %c support mic detection\n", 'A' + wm8994->revision); ret = wm8958_mic_detect(codec, &wm1811->jack, midas_micdet, wm1811); if (ret < 0) dev_err(codec->dev, "Failed start detection: %d\n", ret); } else { dev_info(codec->dev, "wm1811: Rev %c doesn't support mic detection\n", 'A' + wm8994->revision); codec->dapm.idle_bias_off = 0; } /* To wakeup for earjack event in suspend mode */ enable_irq_wake(control->irq); wake_lock_init(&wm1811->jackdet_wake_lock, WAKE_LOCK_SUSPEND, "midas_jackdet"); /* To support PBA function test */ jack_class = class_create(THIS_MODULE, "audio"); if (IS_ERR(jack_class)) pr_err("Failed to create class\n"); jack_dev = device_create(jack_class, NULL, 0, codec, "earjack"); if (device_create_file(jack_dev, &dev_attr_select_jack) < 0) pr_err("Failed to create device file (%s)!\n", dev_attr_select_jack.attr.name); if (device_create_file(jack_dev, &dev_attr_key_state) < 0) pr_err("Failed to create device file (%s)!\n", dev_attr_key_state.attr.name); if (device_create_file(jack_dev, &dev_attr_state) < 0) pr_err("Failed to create device file (%s)!\n", dev_attr_state.attr.name); if (device_create_file(jack_dev, &dev_attr_reselect_jack) < 0) pr_err("Failed to create device file (%s)!\n", dev_attr_reselect_jack.attr.name); #endif /* CONFIG_SEC_DEV_JACK */ return snd_soc_dapm_sync(&codec->dapm); } static struct snd_soc_dai_link midas_dai[] = { { /* Sec_Fifo DAI i/f */ .name = "Sec_FIFO TX", .stream_name = "Sec_Dai", .cpu_dai_name = "samsung-i2s.4", .codec_dai_name = "wm8994-aif1", #ifndef CONFIG_SND_SOC_SAMSUNG_USE_DMA_WRAPPER .platform_name = "samsung-audio-idma", #else .platform_name = "samsung-audio", #endif .codec_name = "wm8994-codec", .init = midas_wm1811_init_paiftx, .ops = &midas_wm1811_aif1_ops, }, { .name = "Midas_WM1811 Voice", .stream_name = "Voice Tx/Rx", .cpu_dai_name = "midas.cp", .codec_dai_name = "wm8994-aif2", .platform_name = "snd-soc-dummy", .codec_name = "wm8994-codec", .ops = &midas_wm1811_aif2_ops, .ignore_suspend = 1, }, { .name = "Midas_WM1811 BT", .stream_name = "BT Tx/Rx", .cpu_dai_name = "midas.bt", .codec_dai_name = "wm8994-aif3", .platform_name = "snd-soc-dummy", .codec_name = "wm8994-codec", .ops = &midas_wm1811_aif3_ops, .ignore_suspend = 1, }, { /* Primary DAI i/f */ .name = "WM8994 AIF1", .stream_name = "Pri_Dai", .cpu_dai_name = "samsung-i2s.0", .codec_dai_name = "wm8994-aif1", .platform_name = "samsung-audio", .codec_name = "wm8994-codec", .ops = &midas_wm1811_aif1_ops, }, }; static int midas_card_suspend_pre(struct snd_soc_card *card) { #ifdef CONFIG_SND_USE_LINEOUT_SWITCH struct snd_soc_codec *codec = card->rtd->codec; struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); if (lineout_mode == 1 && wm8994->vmid_mode == WM8994_VMID_FORCE) { dev_dbg(codec->dev, "%s: entering force vmid mode\n", __func__); gpio_set_value(GPIO_LINEOUT_EN, 0); wm8994_vmid_mode(codec, WM8994_VMID_NORMAL); } #endif return 0; } static int midas_card_suspend_post(struct snd_soc_card *card) { struct snd_soc_codec *codec = card->rtd->codec; struct snd_soc_dai *aif1_dai = card->rtd[0].codec_dai; struct snd_soc_dai *aif2_dai = card->rtd[1].codec_dai; int ret; if (!codec->active) { #ifndef SND_USE_BIAS_LEVEL ret = snd_soc_dai_set_sysclk(aif2_dai, WM8994_SYSCLK_MCLK2, MIDAS_DEFAULT_MCLK2, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(codec->dev, "Unable to switch to MCLK2: %d\n", ret); ret = snd_soc_dai_set_pll(aif2_dai, WM8994_FLL2, 0, 0, 0); if (ret < 0) dev_err(codec->dev, "Unable to stop FLL2\n"); ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2, MIDAS_DEFAULT_MCLK2, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(codec->dev, "Unable to switch to MCLK2\n"); ret = snd_soc_dai_set_pll(aif1_dai, WM8994_FLL1, 0, 0, 0); if (ret < 0) dev_err(codec->dev, "Unable to stop FLL1\n"); #endif midas_snd_set_mclk(false, true); } #ifdef CONFIG_ARCH_EXYNOS5 exynos5_sys_powerdown_xxti_control(midas_snd_get_mclk() ? 1 : 0); #else /* for CONFIG_ARCH_EXYNOS5 */ exynos4_sys_powerdown_xusbxti_control(midas_snd_get_mclk() ? 1 : 0); #endif return 0; } static int midas_card_resume_pre(struct snd_soc_card *card) { struct snd_soc_codec *codec = card->rtd->codec; struct snd_soc_dai *aif1_dai = card->rtd[0].codec_dai; int ret; midas_snd_set_mclk(true, false); #ifndef SND_USE_BIAS_LEVEL /* Switch the FLL */ ret = snd_soc_dai_set_pll(aif1_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1, MIDAS_DEFAULT_MCLK1, MIDAS_DEFAULT_SYNC_CLK); if (ret < 0) dev_err(aif1_dai->dev, "Unable to start FLL1: %d\n", ret); /* Then switch AIF1CLK to it */ ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_FLL1, MIDAS_DEFAULT_SYNC_CLK, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(aif1_dai->dev, "Unable to switch to FLL1: %d\n", ret); #endif return 0; } static int midas_card_resume_post(struct snd_soc_card *card) { #ifdef CONFIG_SND_USE_LINEOUT_SWITCH struct snd_soc_codec *codec = card->rtd->codec; struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); if (lineout_mode == 1 && wm8994->vmid_mode == WM8994_VMID_NORMAL) { dev_dbg(codec->dev, "%s: entering normal vmid mode\n", __func__); wm8994_vmid_mode(codec, WM8994_VMID_FORCE); gpio_set_value(GPIO_LINEOUT_EN, 1); } #endif return 0; } #ifdef SND_USE_BIAS_LEVEL static int midas_set_bias_level(struct snd_soc_card *card, struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level) { struct snd_soc_dai *aif1_dai = card->rtd[0].codec_dai; if (dapm->dev != aif1_dai->dev) return 0; switch (level) { case SND_SOC_BIAS_PREPARE: midas_start_fll1(card->rtd[0].codec_dai); break; default: break; } return 0; } static int midas_set_bias_level_post(struct snd_soc_card *card, struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level) { struct snd_soc_codec *codec = card->rtd->codec; struct snd_soc_dai *aif1_dai = card->rtd[0].codec_dai; struct snd_soc_dai *aif2_dai = card->rtd[1].codec_dai; int ret; if (dapm->dev != aif1_dai->dev) return 0; switch (level) { case SND_SOC_BIAS_STANDBY: /* When going idle stop FLL1 and revert to using MCLK2 * directly for minimum power consumptin for accessory * detection. */ if (card->dapm.bias_level == SND_SOC_BIAS_PREPARE) { dev_info(aif1_dai->dev, "Moving to STANDBY\n"); ret = snd_soc_dai_set_sysclk(aif2_dai, WM8994_SYSCLK_MCLK2, MIDAS_DEFAULT_MCLK2, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(codec->dev, "Failed to switch to MCLK2\n"); ret = snd_soc_dai_set_pll(aif2_dai, WM8994_FLL2, 0, 0, 0); if (ret < 0) dev_err(codec->dev, "Failed to change FLL2\n"); ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2, MIDAS_DEFAULT_MCLK2, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(codec->dev, "Failed to switch to MCLK2\n"); ret = snd_soc_dai_set_pll(aif1_dai, WM8994_FLL1, 0, 0, 0); if (ret < 0) dev_err(codec->dev, "Failed to stop FLL1\n"); midas_fll1_active = false; midas_snd_set_mclk(false, false); } break; default: break; } card->dapm.bias_level = level; return 0; } #endif static struct snd_soc_card midas = { .name = "Midas_WM1811", .dai_link = midas_dai, /* If you want to use sec_fifo device, * changes the num_link = 2 or ARRAY_SIZE(midas_dai). */ .num_links = ARRAY_SIZE(midas_dai), #ifdef SND_USE_BIAS_LEVEL .set_bias_level = midas_set_bias_level, .set_bias_level_post = midas_set_bias_level_post, #endif .suspend_post = midas_card_suspend_post, .resume_pre = midas_card_resume_pre, .suspend_pre = midas_card_suspend_pre, .resume_post = midas_card_resume_post }; static struct platform_device *midas_snd_device; static int __init midas_audio_init(void) { int ret; midas_snd_device = platform_device_alloc("soc-audio", -1); if (!midas_snd_device) return -ENOMEM; ret = snd_soc_register_dais(&midas_snd_device->dev, midas_ext_dai, ARRAY_SIZE(midas_ext_dai)); if (ret != 0) pr_err("Failed to register external DAIs: %d\n", ret); platform_set_drvdata(midas_snd_device, &midas); ret = platform_device_add(midas_snd_device); if (ret) platform_device_put(midas_snd_device); midas_gpio_init(); return ret; } module_init(midas_audio_init); static void __exit midas_audio_exit(void) { platform_device_unregister(midas_snd_device); } module_exit(midas_audio_exit); MODULE_AUTHOR("JS. Park "); MODULE_DESCRIPTION("ALSA SoC Midas WM1811"); MODULE_LICENSE("GPL");