zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/sound/soc/omap/n810.c b/ap/os/linux/linux-3.4.x/sound/soc/omap/n810.c
new file mode 100644
index 0000000..abac4b6
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/sound/soc/omap/n810.c
@@ -0,0 +1,384 @@
+/*
+ * n810.c -- SoC audio for Nokia N810
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ *
+ * Contact: 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/clk.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <linux/gpio.h>
+#include <linux/module.h>
+#include <plat/mcbsp.h>
+
+#include "omap-mcbsp.h"
+#include "omap-pcm.h"
+
+#define N810_HEADSET_AMP_GPIO 10
+#define N810_SPEAKER_AMP_GPIO 101
+
+enum {
+ N810_JACK_DISABLED,
+ N810_JACK_HP,
+ N810_JACK_HS,
+ N810_JACK_MIC,
+};
+
+static struct clk *sys_clkout2;
+static struct clk *sys_clkout2_src;
+static struct clk *func96m_clk;
+
+static int n810_spk_func;
+static int n810_jack_func;
+static int n810_dmic_func;
+
+static void n810_ext_control(struct snd_soc_dapm_context *dapm)
+{
+ int hp = 0, line1l = 0;
+
+ switch (n810_jack_func) {
+ case N810_JACK_HS:
+ line1l = 1;
+ case N810_JACK_HP:
+ hp = 1;
+ break;
+ case N810_JACK_MIC:
+ line1l = 1;
+ break;
+ }
+
+ if (n810_spk_func)
+ snd_soc_dapm_enable_pin(dapm, "Ext Spk");
+ else
+ snd_soc_dapm_disable_pin(dapm, "Ext Spk");
+
+ if (hp)
+ snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
+ else
+ snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
+ if (line1l)
+ snd_soc_dapm_enable_pin(dapm, "LINE1L");
+ else
+ snd_soc_dapm_disable_pin(dapm, "LINE1L");
+
+ if (n810_dmic_func)
+ snd_soc_dapm_enable_pin(dapm, "DMic");
+ else
+ snd_soc_dapm_disable_pin(dapm, "DMic");
+
+ snd_soc_dapm_sync(dapm);
+}
+
+static int n810_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->codec;
+
+ snd_pcm_hw_constraint_minmax(runtime,
+ SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
+
+ n810_ext_control(&codec->dapm);
+ return clk_enable(sys_clkout2);
+}
+
+static void n810_shutdown(struct snd_pcm_substream *substream)
+{
+ clk_disable(sys_clkout2);
+}
+
+static int n810_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 err;
+
+ /* Set the codec system clock for DAC and ADC */
+ err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000,
+ SND_SOC_CLOCK_IN);
+
+ return err;
+}
+
+static struct snd_soc_ops n810_ops = {
+ .startup = n810_startup,
+ .hw_params = n810_hw_params,
+ .shutdown = n810_shutdown,
+};
+
+static int n810_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = n810_spk_func;
+
+ return 0;
+}
+
+static int n810_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+
+ if (n810_spk_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ n810_spk_func = ucontrol->value.integer.value[0];
+ n810_ext_control(&card->dapm);
+
+ return 1;
+}
+
+static int n810_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = n810_jack_func;
+
+ return 0;
+}
+
+static int n810_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+
+ if (n810_jack_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ n810_jack_func = ucontrol->value.integer.value[0];
+ n810_ext_control(&card->dapm);
+
+ return 1;
+}
+
+static int n810_get_input(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = n810_dmic_func;
+
+ return 0;
+}
+
+static int n810_set_input(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+
+ if (n810_dmic_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ n810_dmic_func = ucontrol->value.integer.value[0];
+ n810_ext_control(&card->dapm);
+
+ return 1;
+}
+
+static int n810_spk_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ gpio_set_value(N810_SPEAKER_AMP_GPIO, 1);
+ else
+ gpio_set_value(N810_SPEAKER_AMP_GPIO, 0);
+
+ return 0;
+}
+
+static int n810_jack_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ gpio_set_value(N810_HEADSET_AMP_GPIO, 1);
+ else
+ gpio_set_value(N810_HEADSET_AMP_GPIO, 0);
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = {
+ SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event),
+ SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event),
+ SND_SOC_DAPM_MIC("DMic", NULL),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ {"Headphone Jack", NULL, "HPLOUT"},
+ {"Headphone Jack", NULL, "HPROUT"},
+
+ {"Ext Spk", NULL, "LLOUT"},
+ {"Ext Spk", NULL, "RLOUT"},
+
+ {"DMic Rate 64", NULL, "Mic Bias 2V"},
+ {"Mic Bias 2V", NULL, "DMic"},
+};
+
+static const char *spk_function[] = {"Off", "On"};
+static const char *jack_function[] = {"Off", "Headphone", "Headset", "Mic"};
+static const char *input_function[] = {"ADC", "Digital Mic"};
+static const struct soc_enum n810_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(input_function), input_function),
+};
+
+static const struct snd_kcontrol_new aic33_n810_controls[] = {
+ SOC_ENUM_EXT("Speaker Function", n810_enum[0],
+ n810_get_spk, n810_set_spk),
+ SOC_ENUM_EXT("Jack Function", n810_enum[1],
+ n810_get_jack, n810_set_jack),
+ SOC_ENUM_EXT("Input Select", n810_enum[2],
+ n810_get_input, n810_set_input),
+};
+
+static int n810_aic33_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+ /* Not connected */
+ snd_soc_dapm_nc_pin(dapm, "MONO_LOUT");
+ snd_soc_dapm_nc_pin(dapm, "HPLCOM");
+ snd_soc_dapm_nc_pin(dapm, "HPRCOM");
+ snd_soc_dapm_nc_pin(dapm, "MIC3L");
+ snd_soc_dapm_nc_pin(dapm, "MIC3R");
+ snd_soc_dapm_nc_pin(dapm, "LINE1R");
+ snd_soc_dapm_nc_pin(dapm, "LINE2L");
+ snd_soc_dapm_nc_pin(dapm, "LINE2R");
+
+ return 0;
+}
+
+/* Digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link n810_dai = {
+ .name = "TLV320AIC33",
+ .stream_name = "AIC33",
+ .cpu_dai_name = "omap-mcbsp.2",
+ .platform_name = "omap-pcm-audio",
+ .codec_name = "tlv320aic3x-codec.2-0018",
+ .codec_dai_name = "tlv320aic3x-hifi",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+ .init = n810_aic33_init,
+ .ops = &n810_ops,
+};
+
+/* Audio machine driver */
+static struct snd_soc_card snd_soc_n810 = {
+ .name = "N810",
+ .owner = THIS_MODULE,
+ .dai_link = &n810_dai,
+ .num_links = 1,
+
+ .controls = aic33_n810_controls,
+ .num_controls = ARRAY_SIZE(aic33_n810_controls),
+ .dapm_widgets = aic33_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(aic33_dapm_widgets),
+ .dapm_routes = audio_map,
+ .num_dapm_routes = ARRAY_SIZE(audio_map),
+};
+
+static struct platform_device *n810_snd_device;
+
+static int __init n810_soc_init(void)
+{
+ int err;
+ struct device *dev;
+
+ if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax()))
+ return -ENODEV;
+
+ n810_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!n810_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(n810_snd_device, &snd_soc_n810);
+ err = platform_device_add(n810_snd_device);
+ if (err)
+ goto err1;
+
+ dev = &n810_snd_device->dev;
+
+ sys_clkout2_src = clk_get(dev, "sys_clkout2_src");
+ if (IS_ERR(sys_clkout2_src)) {
+ dev_err(dev, "Could not get sys_clkout2_src clock\n");
+ err = PTR_ERR(sys_clkout2_src);
+ goto err2;
+ }
+ sys_clkout2 = clk_get(dev, "sys_clkout2");
+ if (IS_ERR(sys_clkout2)) {
+ dev_err(dev, "Could not get sys_clkout2\n");
+ err = PTR_ERR(sys_clkout2);
+ goto err3;
+ }
+ /*
+ * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use
+ * 96 MHz as its parent in order to get 12 MHz
+ */
+ func96m_clk = clk_get(dev, "func_96m_ck");
+ if (IS_ERR(func96m_clk)) {
+ dev_err(dev, "Could not get func 96M clock\n");
+ err = PTR_ERR(func96m_clk);
+ goto err4;
+ }
+ clk_set_parent(sys_clkout2_src, func96m_clk);
+ clk_set_rate(sys_clkout2, 12000000);
+
+ BUG_ON((gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) ||
+ (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0));
+
+ gpio_direction_output(N810_HEADSET_AMP_GPIO, 0);
+ gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0);
+
+ return 0;
+err4:
+ clk_put(sys_clkout2);
+err3:
+ clk_put(sys_clkout2_src);
+err2:
+ platform_device_del(n810_snd_device);
+err1:
+ platform_device_put(n810_snd_device);
+
+ return err;
+}
+
+static void __exit n810_soc_exit(void)
+{
+ gpio_free(N810_SPEAKER_AMP_GPIO);
+ gpio_free(N810_HEADSET_AMP_GPIO);
+ clk_put(sys_clkout2_src);
+ clk_put(sys_clkout2);
+ clk_put(func96m_clk);
+
+ platform_device_unregister(n810_snd_device);
+}
+
+module_init(n810_soc_init);
+module_exit(n810_soc_exit);
+
+MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@bitmer.com>");
+MODULE_DESCRIPTION("ALSA SoC Nokia N810");
+MODULE_LICENSE("GPL");