--- /dev/null
+/*
+ * n810.c -- SoC audio for Nokia RX51
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ *
+ * Contact: Jarkko Nikula <jarkko.nikula@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/i2c/tpa6130a2.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/jack.h>
+#include <sound/tlv.h>
+
+#include <linux/i2c/twl4030.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <linux/gpio.h>
+#include <mach/mcbsp.h>
+
+#include "omap-mcbsp.h"
+#include "omap-pcm.h"
+#include "../codecs/tlv320aic3x.h"
+#include "aic34b_dummy.h"
+
+#define RX51_CODEC_RESET_GPIO 60
+#define RX51_TVOUT_SEL_GPIO 40
+#define RX51_ECI_SWITCH_1_GPIO 178
+#define RX51_ECI_SWITCH_2_GPIO 182
+/* REVISIT: TWL4030 GPIO base in RX51. Now statically defined to 192 */
+#define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
+
+enum {
+ RX51_JACK_DISABLED,
+ RX51_JACK_HP, /* headphone: stereo output, no mic */
+ RX51_JACK_HS, /* headset: stereo output with mic */
+ RX51_JACK_MIC, /* mic input only */
+ RX51_JACK_ECI, /* ECI headset */
+ RX51_JACK_TVOUT, /* stereo output with tv-out */
+};
+
+static int hp_lim = 63;
+module_param(hp_lim, int, 0);
+
+static int rx51_new_hw_audio;
+static int rx51_spk_func;
+static int rx51_jack_func;
+static int rx51_fmtx_func;
+static int rx51_dmic_func;
+static int rx51_ear_func;
+static struct snd_jack *rx51_jack;
+
+static DEFINE_MUTEX(eci_mutex);
+static int rx51_eci_mode = 1;
+static int rx51_dapm_jack_bias;
+static int tpa6130_volume = -1;
+static int tpa6130_enable;
+static int aic34b_volume;
+
+static void rx51_set_eci_switches(int mode)
+{
+ switch (mode) {
+ case 0: /* Bias off */
+ case 1: /* Bias according to rx51_dapm_jack_bias */
+ case 4: /* Bias on */
+ /* Codec connected to mic/bias line */
+ gpio_set_value(RX51_ECI_SWITCH_1_GPIO, 0);
+ gpio_set_value(RX51_ECI_SWITCH_2_GPIO, 1);
+ break;
+ case 2:
+ /* ECI INT#2 detect connected to mic/bias line */
+ gpio_set_value(RX51_ECI_SWITCH_1_GPIO, 0);
+ gpio_set_value(RX51_ECI_SWITCH_2_GPIO, 0);
+ break;
+ case 3:
+ /* ECI RX/TX connected to mic/bias line */
+ gpio_set_value(RX51_ECI_SWITCH_1_GPIO, 1);
+ gpio_set_value(RX51_ECI_SWITCH_2_GPIO, 0);
+ break;
+ }
+}
+
+static void rx51_set_jack_bias(void)
+{
+ int enable_bias = 0;
+
+ mutex_lock(&eci_mutex);
+ if ((rx51_eci_mode == 1 && rx51_dapm_jack_bias) || rx51_eci_mode == 4)
+ enable_bias = 1;
+ else if (rx51_eci_mode == 1 && rx51_jack_func == RX51_JACK_ECI)
+ enable_bias = 1;
+ mutex_unlock(&eci_mutex);
+ if (enable_bias)
+ aic34b_set_mic_bias(2); /* 2.5 V */
+ else
+ aic34b_set_mic_bias(0);
+}
+
+static void rx51_set_jack_bias_handler(struct work_struct *unused)
+{
+ rx51_set_jack_bias();
+}
+DECLARE_WORK(rx51_jack_bias_work, rx51_set_jack_bias_handler);
+
+static void rx51_ext_control(struct snd_soc_codec *codec)
+{
+ int hp = 0, mic = 0, tvout = 0;
+
+ switch (rx51_jack_func) {
+ case RX51_JACK_ECI:
+ case RX51_JACK_HS:
+ mic = 1;
+ case RX51_JACK_HP:
+ hp = 1;
+ break;
+ case RX51_JACK_MIC:
+ mic = 1;
+ break;
+ case RX51_JACK_TVOUT:
+ hp = 1;
+ tvout = 1;
+ break;
+ }
+
+ gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout);
+
+ if (rx51_spk_func)
+ snd_soc_dapm_enable_pin(codec, "Ext Spk");
+ else
+ snd_soc_dapm_disable_pin(codec, "Ext Spk");
+ if (hp)
+ snd_soc_dapm_enable_pin(codec, "Headphone Jack");
+ else
+ snd_soc_dapm_disable_pin(codec, "Headphone Jack");
+ if (mic)
+ snd_soc_dapm_enable_pin(codec, "Mic Jack");
+ else
+ snd_soc_dapm_disable_pin(codec, "Mic Jack");
+ if (rx51_fmtx_func)
+ snd_soc_dapm_enable_pin(codec, "FM Transmitter");
+ else
+ snd_soc_dapm_disable_pin(codec, "FM Transmitter");
+ if (rx51_dmic_func)
+ snd_soc_dapm_enable_pin(codec, "DMic");
+ else
+ snd_soc_dapm_disable_pin(codec, "DMic");
+ if (rx51_ear_func)
+ snd_soc_dapm_enable_pin(codec, "Earphone");
+ else
+ snd_soc_dapm_disable_pin(codec, "Earphone");
+
+ snd_soc_dapm_sync(codec);
+}
+
+int rx51_set_eci_mode(int mode)
+{
+ if (mode < 0 || mode > 4)
+ return -EINVAL;
+
+ mutex_lock(&eci_mutex);
+ if (rx51_eci_mode == mode) {
+ mutex_unlock(&eci_mutex);
+ return 0;
+ }
+
+ rx51_eci_mode = mode;
+ rx51_set_eci_switches(rx51_eci_mode);
+ mutex_unlock(&eci_mutex);
+
+ rx51_set_jack_bias();
+
+ return 0;
+}
+EXPORT_SYMBOL(rx51_set_eci_mode);
+
+static ssize_t eci_mode_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%d\n", rx51_eci_mode);
+}
+
+static ssize_t eci_mode_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int mode, retval;
+ if (sscanf(buf, "%d", &mode) != 1)
+ return -EINVAL;
+ retval = rx51_set_eci_mode(mode);
+
+ return (retval < 0) ? retval : count;
+}
+
+static DEVICE_ATTR(eci_mode, S_IRUGO | S_IWUSR,
+ eci_mode_show, eci_mode_store);
+
+void rx51_jack_report(int status)
+{
+ snd_jack_report(rx51_jack, status);
+}
+EXPORT_SYMBOL(rx51_jack_report);
+
+static int rx51_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ snd_pcm_hw_constraint_minmax(runtime,
+ SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
+
+ rx51_ext_control(codec);
+
+ return 0;
+}
+
+static void rx51_shutdown(struct snd_pcm_substream *substream)
+{
+}
+
+static int pre_events;
+
+static int rx51_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->dai->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+ int err;
+
+ if (rx51_new_hw_audio) {
+ if (!pre_events) {
+ pre_events = 1;
+ err = twl4030_enable_regulator(RES_VMMC2);
+ if (err < 0)
+ return err;
+ }
+ }
+
+ /* Set codec DAI configuration */
+ err = snd_soc_dai_set_fmt(codec_dai,
+ SND_SOC_DAIFMT_DSP_A |
+ SND_SOC_DAIFMT_IB_NF |
+ SND_SOC_DAIFMT_CBM_CFM);
+ if (err < 0)
+ return err;
+
+ /* Set cpu DAI configuration */
+ err = snd_soc_dai_set_fmt(cpu_dai,
+ SND_SOC_DAIFMT_DSP_A |
+ SND_SOC_DAIFMT_IB_NF |
+ SND_SOC_DAIFMT_CBM_CFM);
+ if (err < 0)
+ return err;
+
+ /* Set the codec system clock for DAC and ADC */
+ return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
+ SND_SOC_CLOCK_IN);
+}
+
+static int rx51_bt_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->dai->cpu_dai;
+
+ /* Set cpu DAI configuration */
+ return cpu_dai->dai_ops.set_fmt(cpu_dai,
+ SND_SOC_DAIFMT_DSP_A |
+ SND_SOC_DAIFMT_IB_NF |
+ SND_SOC_DAIFMT_CBM_CFM);
+}
+
+static struct snd_soc_ops rx51_bt_ops = {
+ .hw_params = rx51_bt_hw_params,
+};
+
+static struct snd_soc_ops rx51_ops = {
+ .startup = rx51_startup,
+ .hw_params = rx51_hw_params,
+ .shutdown = rx51_shutdown,
+};
+
+static int rx51_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = rx51_spk_func;
+
+ return 0;
+}
+
+static int rx51_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (rx51_spk_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ rx51_spk_func = ucontrol->value.integer.value[0];
+ rx51_ext_control(codec);
+
+ return 1;
+}
+
+static int rx51_spk_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ gpio_set_value(RX51_SPEAKER_AMP_TWL_GPIO, 1);
+ else
+ gpio_set_value(RX51_SPEAKER_AMP_TWL_GPIO, 0);
+
+ return 0;
+}
+
+static int rx51_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = rx51_jack_func;
+
+ return 0;
+}
+
+static int rx51_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (rx51_jack_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ rx51_jack_func = ucontrol->value.integer.value[0];
+
+ mutex_lock(&eci_mutex);
+ if (rx51_jack_func == RX51_JACK_ECI) {
+ /* Set ECI switches according to ECI mode */
+ rx51_set_eci_switches(rx51_eci_mode);
+ schedule_work(&rx51_jack_bias_work);
+ } else {
+ /*
+ * Let the codec always be connected to mic/bias line when
+ * jack is in non-ECI function
+ */
+ rx51_set_eci_switches(1);
+ schedule_work(&rx51_jack_bias_work);
+ }
+ mutex_unlock(&eci_mutex);
+
+ rx51_ext_control(codec);
+
+ return 1;
+}
+
+static int rx51_jack_hp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ /*
+ * Note: HP amp and fmtx must not be enabled at the same
+ * time. We keep a shadow copy of the desired tpa_enable value but
+ * keep the hpamp really disabled whenever fmtx is enabled. If
+ * hpamp is requested on but fmtx is enabled, hpamp is kept
+ * disabled and enabled later from rx51_set_fmtx function when
+ * user disables fmtx.
+ */
+ if (SND_SOC_DAPM_EVENT_ON(event)) {
+ if (!rx51_fmtx_func)
+ tpa6130a2_set_enabled(1);
+ tpa6130_enable = 1;
+ } else {
+ tpa6130a2_set_enabled(0);
+ tpa6130_enable = 0;
+ }
+
+ return 0;
+}
+
+static int rx51_jack_mic_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ rx51_dapm_jack_bias = 1;
+ else
+ rx51_dapm_jack_bias = 0;
+ schedule_work(&rx51_jack_bias_work);
+
+ return 0;
+}
+
+static int rx51_get_fmtx(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = rx51_fmtx_func;
+
+ return 0;
+}
+
+static int rx51_set_fmtx(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (rx51_fmtx_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ rx51_fmtx_func = ucontrol->value.integer.value[0];
+ rx51_ext_control(codec);
+
+ /* fmtx and tpa must not be enabled at the same time */
+ if (rx51_fmtx_func && tpa6130_enable)
+ tpa6130a2_set_enabled(0);
+ if (!rx51_fmtx_func && tpa6130_enable)
+ tpa6130a2_set_enabled(1);
+
+ return 1;
+}
+
+static int rx51_get_input(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = rx51_dmic_func;
+
+ return 0;
+}
+
+static int rx51_set_input(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (rx51_dmic_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ rx51_dmic_func = ucontrol->value.integer.value[0];
+ rx51_ext_control(codec);
+
+ return 1;
+}
+
+static int rx51_get_ear(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = rx51_ear_func;
+
+ return 0;
+}
+
+static int rx51_set_ear(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (rx51_ear_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ rx51_ear_func = ucontrol->value.integer.value[0];
+ rx51_ext_control(codec);
+
+ return 1;
+}
+
+static int rx51_ear_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ aic34b_ear_enable(1);
+ else
+ aic34b_ear_enable(0);
+
+ return 0;
+}
+
+static int rx51_pre_spk_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ if (!rx51_new_hw_audio)
+ return 0;
+
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ return twl4030_enable_regulator(RES_VMMC2);
+
+ return 0;
+}
+
+static int rx51_post_spk_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ if (!rx51_new_hw_audio)
+ return 0;
+
+ if (!SND_SOC_DAPM_EVENT_ON(event))
+ return twl4030_disable_regulator(RES_VMMC2);
+
+ return 0;
+}
+
+static int rx51_pre_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ if (!rx51_new_hw_audio)
+ return 0;
+
+ if (SND_SOC_DAPM_EVENT_ON(event)) {
+ if (!pre_events) {
+ pre_events = 1;
+ return twl4030_enable_regulator(RES_VMMC2);
+ }
+ }
+
+ return 0;
+}
+
+static int rx51_post_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ if (!rx51_new_hw_audio)
+ return 0;
+
+ if (!SND_SOC_DAPM_EVENT_ON(event)) {
+ if (pre_events && !w->codec->active) {
+ pre_events = 0;
+ return twl4030_disable_regulator(RES_VMMC2);
+ }
+ }
+
+ return 0;
+}
+
+enum {
+ RX51_EXT_API_TPA6130,
+ RX51_EXT_API_AIC34B,
+};
+#define SOC_RX51_EXT_SINGLE_TLV(xname, ext_api, max, tlv_array) \
+{ \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .name = xname, \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+ SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .tlv.p = (tlv_array), \
+ .info = rx51_ext_info_volsw, \
+ .get = rx51_ext_get_volsw, \
+ .put = rx51_ext_put_volsw, \
+ .private_value = (ext_api) << 26 | (max) << 16, \
+}
+
+static int rx51_ext_info_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ int ext_api = (kcontrol->private_value >> 26) & 0x0f;
+ int max = (kcontrol->private_value >> 16) & 0xff;
+
+ if (ext_api == RX51_EXT_API_TPA6130)
+ if (hp_lim != max && hp_lim >= 2 && hp_lim <= 63) {
+ kcontrol->private_value &= ~(0xff << 16);
+ kcontrol->private_value |= (hp_lim << 16);
+ max = hp_lim;
+ }
+
+ if (max == 1)
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ else
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = max;
+
+ return 0;
+}
+
+static int rx51_ext_get_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ext_api = (kcontrol->private_value >> 26) & 0x0f;
+
+ switch (ext_api) {
+ case RX51_EXT_API_TPA6130:
+ if (tpa6130_volume < 0)
+ tpa6130_volume = tpa6130a2_get_volume();
+ ucontrol->value.integer.value[0] = tpa6130_volume;
+ break;
+ case RX51_EXT_API_AIC34B:
+ ucontrol->value.integer.value[0] = aic34b_volume;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rx51_ext_put_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ext_api = (kcontrol->private_value >> 26) & 0x0f;
+ int change = 0;
+
+ switch (ext_api) {
+ case RX51_EXT_API_TPA6130:
+ change = (tpa6130_volume != ucontrol->value.integer.value[0]);
+ tpa6130_volume = ucontrol->value.integer.value[0];
+ tpa6130a2_set_volume(tpa6130_volume);
+ break;
+ case RX51_EXT_API_AIC34B:
+ change = (aic34b_volume != ucontrol->value.integer.value[0]);
+ aic34b_volume = ucontrol->value.integer.value[0];
+ aic34b_set_volume(aic34b_volume);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return change;
+}
+
+#define SOC_RX51_SINGLE_JACK_BIAS(xname) \
+{ \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .name = xname, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+ .info = rx51_info_jack_bias, \
+ .get = rx51_get_jack_bias, \
+ .put = rx51_put_jack_bias, \
+}
+
+static int rx51_info_jack_bias(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+
+ return 0;
+}
+
+static int rx51_get_jack_bias(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = (aic34b_get_mic_bias() != 0);
+
+ return 0;
+}
+
+static int rx51_put_jack_bias(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int change, new_value;
+
+ new_value = ucontrol->value.integer.value[0];
+ change = (new_value != aic34b_get_mic_bias());
+
+ if (change) {
+ switch (rx51_jack_func) {
+ case RX51_JACK_ECI:
+ case RX51_JACK_HS:
+ case RX51_JACK_MIC:
+ aic34b_set_mic_bias(new_value * 2); /* 2.5 V */
+ break;
+ default:
+ change = 0;
+ }
+ }
+
+ return change;
+}
+
+static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
+ SND_SOC_DAPM_POST("Post event", rx51_post_event),
+ SND_SOC_DAPM_SPK("Post spk", rx51_post_spk_event),
+ SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
+ SND_SOC_DAPM_SPK("Headphone Jack", rx51_jack_hp_event),
+ SND_SOC_DAPM_MIC("Mic Jack", rx51_jack_mic_event),
+ SND_SOC_DAPM_OUTPUT("FM Transmitter"),
+ SND_SOC_DAPM_MIC("DMic", NULL),
+ SND_SOC_DAPM_SPK("Earphone", rx51_ear_event),
+ SND_SOC_DAPM_SPK("Pre spk", rx51_pre_spk_event),
+ SND_SOC_DAPM_PRE("Pre event", rx51_pre_event),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ {"Post spk", NULL, "LLOUT"},
+ {"Post spk", NULL, "RLOUT"},
+
+ {"Ext Spk", NULL, "HPLOUT"},
+ {"Ext Spk", NULL, "HPROUT"},
+
+ {"Headphone Jack", NULL, "LLOUT"},
+ {"Headphone Jack", NULL, "RLOUT"},
+ {"LINE1L", NULL, "Mic Jack"},
+
+ {"FM Transmitter", NULL, "LLOUT"},
+ {"FM Transmitter", NULL, "RLOUT"},
+
+ {"Earphone", NULL, "MONO_LOUT"},
+
+ {"DMic Rate 64", NULL, "Mic Bias 2V"},
+ {"Mic Bias 2V", NULL, "DMic"},
+
+ {"Pre spk", NULL, "LLOUT"},
+ {"Pre spk", NULL, "RLOUT"},
+};
+
+static const char *spk_function[] = {"Off", "On"};
+static const char *jack_function[] = {"Off", "Headphone", "Headset",
+ "Mic", "ECI Headset", "TV-OUT"};
+static const char *fmtx_function[] = {"Off", "On"};
+static const char *input_function[] = {"ADC", "Digital Mic"};
+static const char *ear_function[] = {"Off", "On"};
+
+static const struct soc_enum rx51_enum[] = {
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(fmtx_function), fmtx_function),
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
+ SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ear_function), ear_function),
+};
+
+/*
+ * TPA6130 volume. From -59.5 to 4 dB with increasing step size when going
+ * down in gain. Justify scale so that it is quite correct from -20 dB and
+ * up. This setting shows -30 dB at minimum, -12.95 dB at 49 % (actual
+ * is -10.3 dB) and 4.65 dB at maximum (actual is 4 dB).
+ */
+static const unsigned int tpa6130_tlv[] = {
+ TLV_DB_RANGE_HEAD(10),
+ 0, 1, TLV_DB_SCALE_ITEM(-5950, 600, 0),
+ 2, 3, TLV_DB_SCALE_ITEM(-5000, 250, 0),
+ 4, 5, TLV_DB_SCALE_ITEM(-4550, 160, 0),
+ 6, 7, TLV_DB_SCALE_ITEM(-4140, 190, 0),
+ 8, 9, TLV_DB_SCALE_ITEM(-3650, 120, 0),
+ 10, 11, TLV_DB_SCALE_ITEM(-3330, 160, 0),
+ 12, 13, TLV_DB_SCALE_ITEM(-3040, 180, 0),
+ 14, 20, TLV_DB_SCALE_ITEM(-2710, 110, 0),
+ 21, 37, TLV_DB_SCALE_ITEM(-1960, 74, 0),
+ 38, 63, TLV_DB_SCALE_ITEM(-720, 45, 0),
+};
+
+/*
+ * TLV320AIC3x output stage volumes. From -78.3 to 0 dB. Muted below -78.3 dB.
+ * Step size is approximately 0.5 dB over most of the scale but increasing
+ * near the very low levels.
+ * Define dB scale so that it is mostly correct for range about -55 to 0 dB
+ * but having increasing dB difference below that (and where it doesn't count
+ * so much). This setting shows -50 dB (actual is -50.3 dB) for register
+ * value 100 and -58.5 dB (actual is -78.3 dB) for register value 117.
+ */
+static DECLARE_TLV_DB_SCALE(aic3x_output_stage_tlv, -5900, 50, 1);
+
+static const struct snd_kcontrol_new aic34_rx51_controls[] = {
+ SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
+ rx51_get_spk, rx51_set_spk),
+ SOC_ENUM_EXT("Jack Function", rx51_enum[1],
+ rx51_get_jack, rx51_set_jack),
+ SOC_ENUM_EXT("FMTX Function", rx51_enum[2],
+ rx51_get_fmtx, rx51_set_fmtx),
+ SOC_ENUM_EXT("Input Select", rx51_enum[3],
+ rx51_get_input, rx51_set_input),
+ SOC_ENUM_EXT("Earphone Function", rx51_enum[4],
+ rx51_get_ear, rx51_set_ear),
+ SOC_RX51_EXT_SINGLE_TLV("Headphone Playback Volume",
+ RX51_EXT_API_TPA6130, 63,
+ tpa6130_tlv),
+ SOC_RX51_EXT_SINGLE_TLV("Earphone Playback Volume",
+ RX51_EXT_API_AIC34B, 118,
+ aic3x_output_stage_tlv),
+ SOC_RX51_SINGLE_JACK_BIAS("Jack Bias Switch"),
+};
+
+static int rx51_aic34_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ /* set up NC codec pins */
+ snd_soc_dapm_nc_pin(codec, "MIC3L");
+ snd_soc_dapm_nc_pin(codec, "MIC3R");
+ snd_soc_dapm_nc_pin(codec, "LINE1R");
+
+ /* Create jack for accessory reporting */
+ err = snd_jack_new(codec->card, "Jack", SND_JACK_MECHANICAL |
+ SND_JACK_HEADSET | SND_JACK_AVOUT, &rx51_jack);
+ if (err < 0)
+ return err;
+
+ /* Add RX51 specific controls */
+ for (i = 0; i < ARRAY_SIZE(aic34_rx51_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&aic34_rx51_controls[i], codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ /* Add RX51 specific widgets */
+ snd_soc_dapm_new_controls(codec, aic34_dapm_widgets,
+ ARRAY_SIZE(aic34_dapm_widgets));
+
+ /* Set up RX51 specific audio path audio_map */
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ snd_soc_dapm_enable_pin(codec, "Earphone");
+
+ snd_soc_dapm_sync(codec);
+
+ return 0;
+}
+
+/* Since all codec control is done by Bluetooth hardware
+ only some constrains need to be set for it */
+struct snd_soc_dai btcodec_dai = {
+ .name = "Bluetooth codec",
+ .playback = {
+ .stream_name = "BT Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = SNDRV_PCM_RATE_8000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .capture = {
+ .stream_name = "BT Capture",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = SNDRV_PCM_RATE_8000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+};
+
+/* Digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link rx51_dai[] = {
+ {
+ .name = "TLV320AIC34",
+ .stream_name = "AIC34",
+ .cpu_dai = &omap_mcbsp_dai[0],
+ .codec_dai = &aic3x_dai,
+ .init = rx51_aic34_init,
+ .ops = &rx51_ops,
+ }, {
+ .name = "Bluetooth PCM",
+ .stream_name = "Bluetooth",
+ .cpu_dai = &omap_mcbsp_dai[1],
+ .codec_dai = &btcodec_dai,
+ .ops = &rx51_bt_ops,
+ }
+};
+
+/* Audio machine driver */
+static struct snd_soc_machine snd_soc_machine_rx51 = {
+ .name = "RX51",
+ .dai_link = rx51_dai,
+ .num_links = ARRAY_SIZE(rx51_dai),
+};
+
+/* Audio private data */
+static struct aic3x_setup_data rx51_aic34_setup = {
+ .i2c_bus = 2,
+ .i2c_address = 0x18,
+ .gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED,
+ .gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT,
+};
+
+/* Audio subsystem */
+static struct snd_soc_device rx51_snd_devdata = {
+ .machine = &snd_soc_machine_rx51,
+ .platform = &omap_soc_platform,
+ .codec_dev = &soc_codec_dev_aic3x,
+ .codec_data = &rx51_aic34_setup,
+};
+
+static struct platform_device *rx51_snd_device;
+
+#define REMAP_OFFSET 2
+#define DEDICATED_OFFSET 3
+#define VMMC2_DEV_GRP 0x2B
+#define VMMC2_285V 0x0a
+
+static int __init rx51_soc_init(void)
+{
+ int err;
+ struct device *dev;
+
+ if (!machine_is_nokia_rx51())
+ return -ENODEV;
+
+ if ((system_rev >= 0x08 && system_rev <= 0x13) || /* Macros */
+ system_rev >= 0x1901) {
+ rx51_new_hw_audio = 1;
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ VMMC2_285V,
+ VMMC2_DEV_GRP + DEDICATED_OFFSET);
+ err |= twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0xee,
+ VMMC2_DEV_GRP + REMAP_OFFSET);
+ if (err) {
+ printk(KERN_ERR "%s rx51 audio failed!\n", __func__);
+ return -ENODEV;
+ }
+ }
+
+ if (gpio_request(RX51_CODEC_RESET_GPIO, NULL) < 0)
+ BUG();
+ if (gpio_request(RX51_TVOUT_SEL_GPIO, "tvout_sel") < 0)
+ BUG();
+ if (gpio_request(RX51_ECI_SWITCH_1_GPIO, "ECI switch 1") < 0)
+ BUG();
+ if (gpio_request(RX51_ECI_SWITCH_2_GPIO, "ECI switch 2") < 0)
+ BUG();
+ gpio_direction_output(RX51_CODEC_RESET_GPIO, 0);
+ gpio_direction_output(RX51_TVOUT_SEL_GPIO, 0);
+ gpio_direction_output(RX51_ECI_SWITCH_1_GPIO, 0);
+ gpio_direction_output(RX51_ECI_SWITCH_2_GPIO, 1);
+
+ gpio_set_value(RX51_CODEC_RESET_GPIO, 0);
+ udelay(1);
+ gpio_set_value(RX51_CODEC_RESET_GPIO, 1);
+ msleep(1);
+
+ if (gpio_request(RX51_SPEAKER_AMP_TWL_GPIO, NULL) < 0)
+ BUG();
+ gpio_direction_output(RX51_SPEAKER_AMP_TWL_GPIO, 0);
+
+ rx51_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!rx51_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(rx51_snd_device, &rx51_snd_devdata);
+ rx51_snd_devdata.dev = &rx51_snd_device->dev;
+ err = platform_device_add(rx51_snd_device);
+ if (err)
+ goto err1;
+
+ dev = &rx51_snd_device->dev;
+
+ *(unsigned int *)rx51_dai[0].cpu_dai->private_data = 1;
+ *(unsigned int *)rx51_dai[1].cpu_dai->private_data = 2;
+
+ err = device_create_file(dev, &dev_attr_eci_mode);
+ if (err)
+ goto err2;
+
+ return err;
+err2:
+ platform_device_del(rx51_snd_device);
+err1:
+ platform_device_put(rx51_snd_device);
+
+ return err;
+
+}
+
+static void __exit rx51_soc_exit(void)
+{
+ platform_device_unregister(rx51_snd_device);
+}
+
+module_init(rx51_soc_init);
+module_exit(rx51_soc_exit);
+
+MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>");
+MODULE_DESCRIPTION("ALSA SoC Nokia RX51");
+MODULE_LICENSE("GPL");