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-rw-r--r--sound/soc/samsung/m3_wm1811.c1219
1 files changed, 1219 insertions, 0 deletions
diff --git a/sound/soc/samsung/m3_wm1811.c b/sound/soc/samsung/m3_wm1811.c
new file mode 100644
index 0000000..949f7d7
--- /dev/null
+++ b/sound/soc/samsung/m3_wm1811.c
@@ -0,0 +1,1219 @@
+/*
+ * m3_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 <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <linux/input.h>
+#include <linux/wakelock.h>
+#include <linux/suspend.h>
+
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/jack.h>
+
+#include <mach/regs-clock.h>
+#include <mach/pmu.h>
+#include <mach/midas-sound.h>
+
+#include <linux/mfd/wm8994/core.h>
+#include <linux/mfd/wm8994/registers.h>
+#include <linux/mfd/wm8994/pdata.h>
+
+#if defined(CONFIG_SND_USE_MUIC_SWITCH)
+#include <linux/mfd/max77693-private.h>
+#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 m3_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 m3_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 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
+
+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 m3_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_LINEOUT_SWITCH
+ err = gpio_request(GPIO_VPS_SOUND_EN, "LINEOUT_EN");
+ if (err) {
+ pr_err(KERN_ERR "LINEOUT_EN GPIO set error!\n");
+ return;
+ }
+ gpio_direction_output(GPIO_VPS_SOUND_EN, 0);
+ gpio_set_value(GPIO_VPS_SOUND_EN, 0);
+ gpio_free(GPIO_VPS_SOUND_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_VPS_SOUND_EN, 1);
+ } else {
+ gpio_set_value(GPIO_VPS_SOUND_EN, 0);
+ wm8994_vmid_mode(codec, WM8994_VMID_NORMAL);
+ }
+#endif
+ dev_info(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 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_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 set_ext_micbias(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+
+ dev_info(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(100);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ gpio_set_value(GPIO_MIC_BIAS_EN, 0);
+ break;
+ }
+#endif
+ return 0;
+}
+
+static int set_ext_submicbias(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+
+ dev_info(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(100);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ gpio_set_value(GPIO_SUB_MIC_BIAS_EN, 0);
+ break;
+ }
+#endif
+ return 0;
+}
+
+static int set_lineout_switch(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+
+ dev_info(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(150);
+ 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 m3_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 = m3_jackdet_rates;
+ num_rates = ARRAY_SIZE(m3_jackdet_rates);
+ wm8994->pdata->micd_rates = m3_jackdet_rates;
+ wm8994->pdata->num_micd_rates = num_rates;
+ } else {
+ rates = m3_det_rates;
+ num_rates = ARRAY_SIZE(m3_det_rates);
+ wm8994->pdata->micd_rates = m3_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);
+}
+
+static void m3_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;
+
+ m3_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;
+
+ m3_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;
+
+ m3_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);
+ }
+}
+
+static int m3_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;
+
+ /* 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;
+
+ dev_info(codec_dai->dev, "%s --\n", __func__);
+
+ return 0;
+}
+
+/*
+ * m3 WM1811 DAI operations.
+ */
+static struct snd_soc_ops m3_wm1811_aif1_ops = {
+ .hw_params = m3_wm1811_aif1_hw_params,
+};
+
+static int m3_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;
+ }
+
+ /* 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);
+
+ if (ret < 0)
+ return ret;
+
+ switch (prate) {
+ case 8000:
+ bclk = 256000;
+ break;
+ case 16000:
+ bclk = 512000;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ 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 m3_wm1811_aif2_ops = {
+ .hw_params = m3_wm1811_aif2_hw_params,
+};
+
+static int m3_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 m3_wm1811_aif3_ops = {
+ .hw_params = m3_wm1811_aif3_hw_params,
+};
+
+static const struct snd_kcontrol_new m3_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("Headset Mic"),
+
+ SOC_ENUM_EXT("AIF2 Mode", aif2_mode_enum[0],
+ get_aif2_mode, set_aif2_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 m3_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("HP", NULL),
+ SND_SOC_DAPM_SPK("SPK", NULL),
+ SND_SOC_DAPM_SPK("RCV", NULL),
+ SND_SOC_DAPM_LINE("LINE", set_lineout_switch),
+ SND_SOC_DAPM_LINE("HDMI", NULL),
+
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_MIC("Main Mic", set_ext_micbias),
+ SND_SOC_DAPM_MIC("Sub Mic", set_ext_submicbias),
+ SND_SOC_DAPM_LINE("FM In", NULL),
+
+ SND_SOC_DAPM_INPUT("S5P RP"),
+};
+
+const struct snd_soc_dapm_route m3_dapm_routes[] = {
+ { "HP", NULL, "HPOUT1L" },
+ { "HP", NULL, "HPOUT1R" },
+
+ { "SPK", NULL, "SPKOUTLN" },
+ { "SPK", NULL, "SPKOUTLP" },
+
+ { "RCV", NULL, "HPOUT2N" },
+ { "RCV", NULL, "HPOUT2P" },
+
+ { "LINE", NULL, "LINEOUT2N" },
+ { "LINE", NULL, "LINEOUT2P" },
+
+ { "HDMI", NULL, "LINEOUT1N" },
+ { "HDMI", NULL, "LINEOUT1P" },
+
+ { "IN2LP:VXRN", NULL, "Main Mic" },
+ { "IN2LN", NULL, "Main Mic" },
+
+ { "IN1RP", NULL, "Sub Mic" },
+ { "IN1RN", NULL, "Sub Mic" },
+
+ { "IN1LP", NULL, "MICBIAS2" },
+ { "MICBIAS2", NULL, "Headset Mic" },
+ { "IN1LN", NULL, "MICBIAS2" },
+ { "MICBIAS2", NULL, "Headset Mic" },
+
+ { "AIF1DAC1L", NULL, "S5P RP" },
+ { "AIF1DAC1R", NULL, "S5P RP" },
+
+ { "IN2RN", NULL, "FM In" },
+ { "IN2RP:VXRP", NULL, "FM In" },
+};
+
+static struct snd_soc_dai_driver m3_ext_dai[] = {
+ {
+ .name = "m3.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 = "m3.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;
+
+ m3_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 m3_wm1811_init_paiftx(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ struct wm1811_machine_priv *wm1811
+ = snd_soc_card_get_drvdata(codec->card);
+ 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;
+
+ 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, m3_controls,
+ ARRAY_SIZE(m3_controls));
+
+ ret = snd_soc_dapm_new_controls(&codec->dapm, m3_dapm_widgets,
+ ARRAY_SIZE(m3_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, m3_dapm_routes,
+ ARRAY_SIZE(m3_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");
+
+ /* 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);
+ }
+
+ 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);
+
+ 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");
+
+ wm1811->codec = codec;
+
+ m3_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, "m3 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, m3_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, "m3_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 m3_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 = m3_wm1811_init_paiftx,
+ .ops = &m3_wm1811_aif1_ops,
+ },
+ {
+ .name = "m3_WM1811 Voice",
+ .stream_name = "Voice Tx/Rx",
+ .cpu_dai_name = "m3.cp",
+ .codec_dai_name = "wm8994-aif2",
+ .platform_name = "snd-soc-dummy",
+ .codec_name = "wm8994-codec",
+ .ops = &m3_wm1811_aif2_ops,
+ .ignore_suspend = 1,
+ },
+ {
+ .name = "m3_WM1811 BT",
+ .stream_name = "BT Tx/Rx",
+ .cpu_dai_name = "m3.bt",
+ .codec_dai_name = "wm8994-aif3",
+ .platform_name = "snd-soc-dummy",
+ .codec_name = "wm8994-codec",
+ .ops = &m3_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 = &m3_wm1811_aif1_ops,
+ },
+};
+
+static int m3_card_suspend_pre(struct snd_soc_card *card)
+{
+ struct snd_soc_codec *codec = card->rtd->codec;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+#ifdef CONFIG_SND_USE_LINEOUT_SWITCH
+ if (lineout_mode == 1 &&
+ wm8994->vmid_mode == WM8994_VMID_FORCE) {
+ dev_info(codec->dev,
+ "%s: entering force vmid mode\n", __func__);
+ gpio_set_value(GPIO_VPS_SOUND_EN, 0);
+ wm8994_vmid_mode(codec, WM8994_VMID_NORMAL);
+ }
+#endif
+#ifdef CONFIG_SEC_DEV_JACK
+ snd_soc_dapm_disable_pin(&codec->dapm, "AIF1CLK");
+#endif
+
+ return 0;
+}
+
+static int m3_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) {
+ 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");
+
+ ret = snd_soc_dai_set_fmt(aif1_dai, SND_SOC_DAIFMT_I2S
+ | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBS_CFS);
+ if (ret < 0)
+ dev_err(codec->dev, "Unable to set I2S SLAVE MODE\n");
+
+ 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 m3_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);
+
+ /* 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);
+
+ ret = snd_soc_dai_set_fmt(aif1_dai, SND_SOC_DAIFMT_I2S
+ | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ dev_err(codec->dev, "Unable to set I2S MASTER MODE\n");
+
+ return 0;
+}
+
+static int m3_card_resume_post(struct snd_soc_card *card)
+{
+ struct snd_soc_codec *codec = card->rtd->codec;
+ struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+#ifdef CONFIG_SND_USE_LINEOUT_SWITCH
+ if (lineout_mode == 1 &&
+ wm8994->vmid_mode == WM8994_VMID_NORMAL) {
+ dev_info(codec->dev,
+ "%s: entering normal vmid mode\n", __func__);
+ wm8994_vmid_mode(codec, WM8994_VMID_FORCE);
+ gpio_set_value(GPIO_VPS_SOUND_EN, 1);
+ }
+#endif
+#ifdef CONFIG_SEC_DEV_JACK
+ snd_soc_dapm_force_enable_pin(&codec->dapm, "AIF1CLK");
+#endif
+
+ return 0;
+}
+
+static struct snd_soc_card m3_card = {
+ .name = "m3_WM1811",
+ .dai_link = m3_dai,
+
+ /* If you want to use sec_fifo device,
+ * changes the num_link = 2 or ARRAY_SIZE(m3_dai). */
+ .num_links = ARRAY_SIZE(m3_dai),
+
+ .suspend_pre = m3_card_suspend_pre,
+ .suspend_post = m3_card_suspend_post,
+ .resume_pre = m3_card_resume_pre,
+ .resume_post = m3_card_resume_post
+};
+
+static struct platform_device *m3_snd_device;
+
+static int __init m3_audio_init(void)
+{
+ struct wm1811_machine_priv *wm1811;
+ int ret;
+
+ wm1811 = kzalloc(sizeof *wm1811, GFP_KERNEL);
+ if (!wm1811) {
+ pr_err("Failed to allocate memory\n");
+ ret = -ENOMEM;
+ goto err_kzalloc;
+ }
+ snd_soc_card_set_drvdata(&m3_card, wm1811);
+
+ m3_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!m3_snd_device) {
+ ret = -ENOMEM;
+ goto err_device_alloc;
+ }
+
+ ret = snd_soc_register_dais(&m3_snd_device->dev, m3_ext_dai,
+ ARRAY_SIZE(m3_ext_dai));
+ if (ret != 0)
+ pr_err("Failed to register external DAIs: %d\n", ret);
+
+ platform_set_drvdata(m3_snd_device, &m3_card);
+
+ ret = platform_device_add(m3_snd_device);
+ if (ret)
+ platform_device_put(m3_snd_device);
+
+ m3_gpio_init();
+
+ return ret;
+
+err_device_alloc:
+ kfree(wm1811);
+err_kzalloc:
+ return ret;
+}
+module_init(m3_audio_init);
+
+static void __exit m3_audio_exit(void)
+{
+ struct snd_soc_card *card = &m3_card;
+ struct wm1811_machine_priv *wm1811 = snd_soc_card_get_drvdata(card);
+ platform_device_unregister(m3_snd_device);
+ kfree(wm1811);
+}
+module_exit(m3_audio_exit);
+
+MODULE_AUTHOR("Uk Kim <w0806.kim@samsung.com>");
+MODULE_DESCRIPTION("ALSA SoC m3 WM1811");
+MODULE_LICENSE("GPL");