diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/omap/n810.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/omap/n810.c | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/ANDROID_3.4.5/sound/soc/omap/n810.c b/ANDROID_3.4.5/sound/soc/omap/n810.c deleted file mode 100644 index abac4b69..00000000 --- a/ANDROID_3.4.5/sound/soc/omap/n810.c +++ /dev/null @@ -1,384 +0,0 @@ -/* - * 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"); |