init android origin source code

1 files changed, 210 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/sound/soc/pxa/palm27x.c b/ANDROID_3.4.5/sound/soc/pxa/palm27x.c
new file mode 100644
index 00000000..db24bc68
--- /dev/null
+++ b/ANDROID_3.4.5/sound/soc/pxa/palm27x.c
@@ -0,0 +1,210 @@
+/*
+ * linux/sound/soc/pxa/palm27x.c
+ *
+ * SoC Audio driver for Palm T|X, T5 and LifeDrive
+ *
+ * based on tosa.c
+ *
+ * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/gpio.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+
+#include <asm/mach-types.h>
+#include <mach/audio.h>
+#include <mach/palmasoc.h>
+
+#include "../codecs/wm9712.h"
+#include "pxa2xx-ac97.h"
+
+static struct snd_soc_jack hs_jack;
+
+/* Headphones jack detection DAPM pins */
+static struct snd_soc_jack_pin hs_jack_pins[] = {
+	{
+		.pin    = "Headphone Jack",
+		.mask   = SND_JACK_HEADPHONE,
+	},
+};
+
+/* Headphones jack detection gpios */
+static struct snd_soc_jack_gpio hs_jack_gpios[] = {
+	[0] = {
+		/* gpio is set on per-platform basis */
+		.name           = "hp-gpio",
+		.report         = SND_JACK_HEADPHONE,
+		.debounce_time	= 200,
+	},
+};
+
+/* Palm27x machine dapm widgets */
+static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone Jack", NULL),
+	SND_SOC_DAPM_SPK("Ext. Speaker", NULL),
+	SND_SOC_DAPM_MIC("Ext. Microphone", NULL),
+};
+
+/* PalmTX audio map */
+static const struct snd_soc_dapm_route audio_map[] = {
+	/* headphone connected to HPOUTL, HPOUTR */
+	{"Headphone Jack", NULL, "HPOUTL"},
+	{"Headphone Jack", NULL, "HPOUTR"},
+
+	/* ext speaker connected to ROUT2, LOUT2 */
+	{"Ext. Speaker", NULL, "LOUT2"},
+	{"Ext. Speaker", NULL, "ROUT2"},
+
+	/* mic connected to MIC1 */
+	{"Ext. Microphone", NULL, "MIC1"},
+};
+
+static struct snd_soc_card palm27x_asoc;
+
+static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_codec *codec = rtd->codec;
+	struct snd_soc_dapm_context *dapm = &codec->dapm;
+	int err;
+
+	/* add palm27x specific widgets */
+	err = snd_soc_dapm_new_controls(dapm, palm27x_dapm_widgets,
+				ARRAY_SIZE(palm27x_dapm_widgets));
+	if (err)
+		return err;
+
+	/* set up palm27x specific audio path audio_map */
+	err = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
+	if (err)
+		return err;
+
+	/* connected pins */
+	if (machine_is_palmld())
+		snd_soc_dapm_enable_pin(dapm, "MIC1");
+	snd_soc_dapm_enable_pin(dapm, "HPOUTL");
+	snd_soc_dapm_enable_pin(dapm, "HPOUTR");
+	snd_soc_dapm_enable_pin(dapm, "LOUT2");
+	snd_soc_dapm_enable_pin(dapm, "ROUT2");
+
+	/* not connected pins */
+	snd_soc_dapm_nc_pin(dapm, "OUT3");
+	snd_soc_dapm_nc_pin(dapm, "MONOOUT");
+	snd_soc_dapm_nc_pin(dapm, "LINEINL");
+	snd_soc_dapm_nc_pin(dapm, "LINEINR");
+	snd_soc_dapm_nc_pin(dapm, "PCBEEP");
+	snd_soc_dapm_nc_pin(dapm, "PHONE");
+	snd_soc_dapm_nc_pin(dapm, "MIC2");
+
+	/* Jack detection API stuff */
+	err = snd_soc_jack_new(codec, "Headphone Jack",
+				SND_JACK_HEADPHONE, &hs_jack);
+	if (err)
+		return err;
+
+	err = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins),
+				hs_jack_pins);
+	if (err)
+		return err;
+
+	err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios),
+				hs_jack_gpios);
+
+	return err;
+}
+
+static struct snd_soc_dai_link palm27x_dai[] = {
+{
+	.name = "AC97 HiFi",
+	.stream_name = "AC97 HiFi",
+	.cpu_dai_name = "pxa2xx-ac97",
+	.codec_dai_name =  "wm9712-hifi",
+	.codec_name = "wm9712-codec",
+	.platform_name = "pxa-pcm-audio",
+	.init = palm27x_ac97_init,
+},
+{
+	.name = "AC97 Aux",
+	.stream_name = "AC97 Aux",
+	.cpu_dai_name = "pxa2xx-ac97-aux",
+	.codec_dai_name = "wm9712-aux",
+	.codec_name = "wm9712-codec",
+	.platform_name = "pxa-pcm-audio",
+},
+};
+
+static struct snd_soc_card palm27x_asoc = {
+	.name = "Palm/PXA27x",
+	.owner = THIS_MODULE,
+	.dai_link = palm27x_dai,
+	.num_links = ARRAY_SIZE(palm27x_dai),
+};
+
+static struct platform_device *palm27x_snd_device;
+
+static int palm27x_asoc_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	if (!(machine_is_palmtx() || machine_is_palmt5() ||
+		machine_is_palmld() || machine_is_palmte2()))
+		return -ENODEV;
+
+	if (!pdev->dev.platform_data) {
+		dev_err(&pdev->dev, "please supply platform_data\n");
+		return -ENODEV;
+	}
+
+	hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
+			(pdev->dev.platform_data))->jack_gpio;
+
+	palm27x_snd_device = platform_device_alloc("soc-audio", -1);
+	if (!palm27x_snd_device)
+		return -ENOMEM;
+
+	platform_set_drvdata(palm27x_snd_device, &palm27x_asoc);
+	ret = platform_device_add(palm27x_snd_device);
+
+	if (ret != 0)
+		goto put_device;
+
+	return 0;
+
+put_device:
+	platform_device_put(palm27x_snd_device);
+
+	return ret;
+}
+
+static int __devexit palm27x_asoc_remove(struct platform_device *pdev)
+{
+	platform_device_unregister(palm27x_snd_device);
+	return 0;
+}
+
+static struct platform_driver palm27x_wm9712_driver = {
+	.probe		= palm27x_asoc_probe,
+	.remove		= __devexit_p(palm27x_asoc_remove),
+	.driver		= {
+		.name		= "palm27x-asoc",
+		.owner		= THIS_MODULE,
+	},
+};
+
+module_platform_driver(palm27x_wm9712_driver);
+
+/* Module information */
+MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
+MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive");
+MODULE_LICENSE("GPL");