1 files changed, 451 insertions, 0 deletions
diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c
new file mode 100644
index 00000000..2712dd23
--- /dev/null
+++ b/sound/soc/omap/rx51.c
@@ -0,0 +1,451 @@
+/*
+ * rx51.c  --  SoC audio for Nokia RX-51
+ *
+ * Copyright (C) 2008 - 2009 Nokia Corporation
+ *
+ * Contact: Peter Ujfalusi <peter.ujfalusi@ti.com>
+ *          Eduardo Valentin <eduardo.valentin@nokia.com>
+ *          Jarkko Nikula <jarkko.nikula@bitmer.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/delay.h>
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <plat/mcbsp.h>
+#include "../codecs/tpa6130a2.h"
+
+#include <asm/mach-types.h>
+
+#include "omap-mcbsp.h"
+#include "omap-pcm.h"
+
+#define RX51_TVOUT_SEL_GPIO		40
+#define RX51_JACK_DETECT_GPIO		177
+#define RX51_ECI_SW_GPIO		182
+/*
+ * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
+ * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
+ */
+#define RX51_SPEAKER_AMP_TWL_GPIO	(192 + 7)
+
+enum {
+	RX51_JACK_DISABLED,
+	RX51_JACK_TVOUT,		/* tv-out with stereo output */
+	RX51_JACK_HP,			/* headphone: stereo output, no mic */
+	RX51_JACK_HS,			/* headset: stereo output with mic */
+};
+
+static int rx51_spk_func;
+static int rx51_dmic_func;
+static int rx51_jack_func;
+
+static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
+{
+	int hp = 0, hs = 0, tvout = 0;
+
+	switch (rx51_jack_func) {
+	case RX51_JACK_TVOUT:
+		tvout = 1;
+		hp = 1;
+		break;
+	case RX51_JACK_HS:
+		hs = 1;
+	case RX51_JACK_HP:
+		hp = 1;
+		break;
+	}
+
+	if (rx51_spk_func)
+		snd_soc_dapm_enable_pin(dapm, "Ext Spk");
+	else
+		snd_soc_dapm_disable_pin(dapm, "Ext Spk");
+	if (rx51_dmic_func)
+		snd_soc_dapm_enable_pin(dapm, "DMic");
+	else
+		snd_soc_dapm_disable_pin(dapm, "DMic");
+	if (hp)
+		snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
+	else
+		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
+	if (hs)
+		snd_soc_dapm_enable_pin(dapm, "HS Mic");
+	else
+		snd_soc_dapm_disable_pin(dapm, "HS Mic");
+
+	gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout);
+
+	snd_soc_dapm_sync(dapm);
+}
+
+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_card *card = rtd->card;
+
+	snd_pcm_hw_constraint_minmax(runtime,
+				     SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
+	rx51_ext_control(&card->dapm);
+
+	return 0;
+}
+
+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->codec_dai;
+
+	/* Set the codec system clock for DAC and ADC */
+	return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
+				      SND_SOC_CLOCK_IN);
+}
+
+static struct snd_soc_ops rx51_ops = {
+	.startup = rx51_startup,
+	.hw_params = rx51_hw_params,
+};
+
+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_card *card = 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(&card->dapm);
+
+	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_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 1);
+	else
+		gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 0);
+
+	return 0;
+}
+
+static int rx51_hp_event(struct snd_soc_dapm_widget *w,
+			 struct snd_kcontrol *k, int event)
+{
+	struct snd_soc_codec *codec = w->dapm->codec;
+
+	if (SND_SOC_DAPM_EVENT_ON(event))
+		tpa6130a2_stereo_enable(codec, 1);
+	else
+		tpa6130a2_stereo_enable(codec, 0);
+
+	return 0;
+}
+
+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_card *card = 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(&card->dapm);
+
+	return 1;
+}
+
+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_card *card = snd_kcontrol_chip(kcontrol);
+
+	if (rx51_jack_func == ucontrol->value.integer.value[0])
+		return 0;
+
+	rx51_jack_func = ucontrol->value.integer.value[0];
+	rx51_ext_control(&card->dapm);
+
+	return 1;
+}
+
+static struct snd_soc_jack rx51_av_jack;
+
+static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
+	{
+		.gpio = RX51_JACK_DETECT_GPIO,
+		.name = "avdet-gpio",
+		.report = SND_JACK_HEADSET,
+		.invert = 1,
+		.debounce_time = 200,
+	},
+};
+
+static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
+	SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
+	SND_SOC_DAPM_MIC("DMic", NULL),
+	SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
+	SND_SOC_DAPM_MIC("HS Mic", NULL),
+	SND_SOC_DAPM_LINE("FM Transmitter", NULL),
+};
+
+static const struct snd_soc_dapm_widget aic34_dapm_widgetsb[] = {
+	SND_SOC_DAPM_SPK("Earphone", NULL),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+	{"Ext Spk", NULL, "HPLOUT"},
+	{"Ext Spk", NULL, "HPROUT"},
+	{"Headphone Jack", NULL, "LLOUT"},
+	{"Headphone Jack", NULL, "RLOUT"},
+	{"FM Transmitter", NULL, "LLOUT"},
+	{"FM Transmitter", NULL, "RLOUT"},
+
+	{"DMic Rate 64", NULL, "Mic Bias 2V"},
+	{"Mic Bias 2V", NULL, "DMic"},
+};
+
+static const struct snd_soc_dapm_route audio_mapb[] = {
+	{"b LINE2R", NULL, "MONO_LOUT"},
+	{"Earphone", NULL, "b HPLOUT"},
+
+	{"LINE1L", NULL, "b Mic Bias 2.5V"},
+	{"b Mic Bias 2.5V", NULL, "HS Mic"}
+};
+
+static const char *spk_function[] = {"Off", "On"};
+static const char *input_function[] = {"ADC", "Digital Mic"};
+static const char *jack_function[] = {"Off", "TV-OUT", "Headphone", "Headset"};
+
+static const struct soc_enum rx51_enum[] = {
+	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
+	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
+	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
+};
+
+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("Input Select",  rx51_enum[1],
+		     rx51_get_input, rx51_set_input),
+	SOC_ENUM_EXT("Jack Function", rx51_enum[2],
+		     rx51_get_jack, rx51_set_jack),
+	SOC_DAPM_PIN_SWITCH("FM Transmitter"),
+};
+
+static const struct snd_kcontrol_new aic34_rx51_controlsb[] = {
+	SOC_DAPM_PIN_SWITCH("Earphone"),
+};
+
+static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_codec *codec = rtd->codec;
+	struct snd_soc_dapm_context *dapm = &codec->dapm;
+	int err;
+
+	/* Set up NC codec pins */
+	snd_soc_dapm_nc_pin(dapm, "MIC3L");
+	snd_soc_dapm_nc_pin(dapm, "MIC3R");
+	snd_soc_dapm_nc_pin(dapm, "LINE1R");
+
+	/* Add RX-51 specific controls */
+	err = snd_soc_add_card_controls(rtd->card, aic34_rx51_controls,
+				   ARRAY_SIZE(aic34_rx51_controls));
+	if (err < 0)
+		return err;
+
+	/* Add RX-51 specific widgets */
+	snd_soc_dapm_new_controls(dapm, aic34_dapm_widgets,
+				  ARRAY_SIZE(aic34_dapm_widgets));
+
+	/* Set up RX-51 specific audio path audio_map */
+	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
+
+	err = tpa6130a2_add_controls(codec);
+	if (err < 0)
+		return err;
+	snd_soc_limit_volume(codec, "TPA6130A2 Headphone Playback Volume", 42);
+
+	err = omap_mcbsp_st_add_controls(rtd);
+	if (err < 0)
+		return err;
+
+	/* AV jack detection */
+	err = snd_soc_jack_new(codec, "AV Jack",
+			       SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
+			       &rx51_av_jack);
+	if (err)
+		return err;
+	err = snd_soc_jack_add_gpios(&rx51_av_jack,
+				     ARRAY_SIZE(rx51_av_jack_gpios),
+				     rx51_av_jack_gpios);
+
+	return err;
+}
+
+static int rx51_aic34b_init(struct snd_soc_dapm_context *dapm)
+{
+	int err;
+
+	err = snd_soc_add_card_controls(dapm->card, aic34_rx51_controlsb,
+				   ARRAY_SIZE(aic34_rx51_controlsb));
+	if (err < 0)
+		return err;
+
+	err = snd_soc_dapm_new_controls(dapm, aic34_dapm_widgetsb,
+					ARRAY_SIZE(aic34_dapm_widgetsb));
+	if (err < 0)
+		return 0;
+
+	return snd_soc_dapm_add_routes(dapm, audio_mapb,
+				       ARRAY_SIZE(audio_mapb));
+}
+
+/* Digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link rx51_dai[] = {
+	{
+		.name = "TLV320AIC34",
+		.stream_name = "AIC34",
+		.cpu_dai_name = "omap-mcbsp.2",
+		.codec_dai_name = "tlv320aic3x-hifi",
+		.platform_name = "omap-pcm-audio",
+		.codec_name = "tlv320aic3x-codec.2-0018",
+		.dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
+			   SND_SOC_DAIFMT_CBM_CFM,
+		.init = rx51_aic34_init,
+		.ops = &rx51_ops,
+	},
+};
+
+static struct snd_soc_aux_dev rx51_aux_dev[] = {
+	{
+		.name = "TLV320AIC34b",
+		.codec_name = "tlv320aic3x-codec.2-0019",
+		.init = rx51_aic34b_init,
+	},
+};
+
+static struct snd_soc_codec_conf rx51_codec_conf[] = {
+	{
+		.dev_name = "tlv320aic3x-codec.2-0019",
+		.name_prefix = "b",
+	},
+};
+
+/* Audio card */
+static struct snd_soc_card rx51_sound_card = {
+	.name = "RX-51",
+	.owner = THIS_MODULE,
+	.dai_link = rx51_dai,
+	.num_links = ARRAY_SIZE(rx51_dai),
+	.aux_dev = rx51_aux_dev,
+	.num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
+	.codec_conf = rx51_codec_conf,
+	.num_configs = ARRAY_SIZE(rx51_codec_conf),
+};
+
+static struct platform_device *rx51_snd_device;
+
+static int __init rx51_soc_init(void)
+{
+	int err;
+
+	if (!machine_is_nokia_rx51())
+		return -ENODEV;
+
+	err = gpio_request_one(RX51_TVOUT_SEL_GPIO,
+			       GPIOF_DIR_OUT | GPIOF_INIT_LOW, "tvout_sel");
+	if (err)
+		goto err_gpio_tvout_sel;
+	err = gpio_request_one(RX51_ECI_SW_GPIO,
+			       GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "eci_sw");
+	if (err)
+		goto err_gpio_eci_sw;
+
+	rx51_snd_device = platform_device_alloc("soc-audio", -1);
+	if (!rx51_snd_device) {
+		err = -ENOMEM;
+		goto err1;
+	}
+
+	platform_set_drvdata(rx51_snd_device, &rx51_sound_card);
+
+	err = platform_device_add(rx51_snd_device);
+	if (err)
+		goto err2;
+
+	return 0;
+err2:
+	platform_device_put(rx51_snd_device);
+err1:
+	gpio_free(RX51_ECI_SW_GPIO);
+err_gpio_eci_sw:
+	gpio_free(RX51_TVOUT_SEL_GPIO);
+err_gpio_tvout_sel:
+
+	return err;
+}
+
+static void __exit rx51_soc_exit(void)
+{
+	snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
+				rx51_av_jack_gpios);
+
+	platform_device_unregister(rx51_snd_device);
+	gpio_free(RX51_ECI_SW_GPIO);
+	gpio_free(RX51_TVOUT_SEL_GPIO);
+}
+
+module_init(rx51_soc_init);
+module_exit(rx51_soc_exit);
+
+MODULE_AUTHOR("Nokia Corporation");
+MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
+MODULE_LICENSE("GPL");