diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/pxa/tosa.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/pxa/tosa.c | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/ANDROID_3.4.5/sound/soc/pxa/tosa.c b/ANDROID_3.4.5/sound/soc/pxa/tosa.c deleted file mode 100644 index 2aec63f3..00000000 --- a/ANDROID_3.4.5/sound/soc/pxa/tosa.c +++ /dev/null @@ -1,289 +0,0 @@ -/* - * tosa.c -- SoC audio for Tosa - * - * Copyright 2005 Wolfson Microelectronics PLC. - * Copyright 2005 Openedhand Ltd. - * - * Authors: Liam Girdwood <lrg@slimlogic.co.uk> - * Richard Purdie <richard@openedhand.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * GPIO's - * 1 - Jack Insertion - * 5 - Hookswitch (headset answer/hang up switch) - * - */ - -#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 <asm/mach-types.h> -#include <mach/tosa.h> -#include <mach/audio.h> - -#include "../codecs/wm9712.h" -#include "pxa2xx-ac97.h" - -#define TOSA_HP 0 -#define TOSA_MIC_INT 1 -#define TOSA_HEADSET 2 -#define TOSA_HP_OFF 3 -#define TOSA_SPK_ON 0 -#define TOSA_SPK_OFF 1 - -static int tosa_jack_func; -static int tosa_spk_func; - -static void tosa_ext_control(struct snd_soc_codec *codec) -{ - struct snd_soc_dapm_context *dapm = &codec->dapm; - - /* set up jack connection */ - switch (tosa_jack_func) { - case TOSA_HP: - snd_soc_dapm_disable_pin(dapm, "Mic (Internal)"); - snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); - snd_soc_dapm_disable_pin(dapm, "Headset Jack"); - break; - case TOSA_MIC_INT: - snd_soc_dapm_enable_pin(dapm, "Mic (Internal)"); - snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); - snd_soc_dapm_disable_pin(dapm, "Headset Jack"); - break; - case TOSA_HEADSET: - snd_soc_dapm_disable_pin(dapm, "Mic (Internal)"); - snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); - snd_soc_dapm_enable_pin(dapm, "Headset Jack"); - break; - } - - if (tosa_spk_func == TOSA_SPK_ON) - snd_soc_dapm_enable_pin(dapm, "Speaker"); - else - snd_soc_dapm_disable_pin(dapm, "Speaker"); - - snd_soc_dapm_sync(dapm); -} - -static int tosa_startup(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_codec *codec = rtd->codec; - - mutex_lock(&codec->mutex); - - /* check the jack status at stream startup */ - tosa_ext_control(codec); - - mutex_unlock(&codec->mutex); - - return 0; -} - -static struct snd_soc_ops tosa_ops = { - .startup = tosa_startup, -}; - -static int tosa_get_jack(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - ucontrol->value.integer.value[0] = tosa_jack_func; - return 0; -} - -static int tosa_set_jack(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - - if (tosa_jack_func == ucontrol->value.integer.value[0]) - return 0; - - tosa_jack_func = ucontrol->value.integer.value[0]; - tosa_ext_control(codec); - return 1; -} - -static int tosa_get_spk(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - ucontrol->value.integer.value[0] = tosa_spk_func; - return 0; -} - -static int tosa_set_spk(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - - if (tosa_spk_func == ucontrol->value.integer.value[0]) - return 0; - - tosa_spk_func = ucontrol->value.integer.value[0]; - tosa_ext_control(codec); - return 1; -} - -/* tosa dapm event handlers */ -static int tosa_hp_event(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *k, int event) -{ - gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0); - return 0; -} - -/* tosa machine dapm widgets */ -static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = { -SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event), -SND_SOC_DAPM_HP("Headset Jack", NULL), -SND_SOC_DAPM_MIC("Mic (Internal)", NULL), -SND_SOC_DAPM_SPK("Speaker", NULL), -}; - -/* tosa 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 LOUT2, ROUT2 */ - {"Speaker", NULL, "LOUT2"}, - {"Speaker", NULL, "ROUT2"}, - - /* internal mic is connected to mic1, mic2 differential - with bias */ - {"MIC1", NULL, "Mic Bias"}, - {"MIC2", NULL, "Mic Bias"}, - {"Mic Bias", NULL, "Mic (Internal)"}, - - /* headset is connected to HPOUTR, and LINEINR with bias */ - {"Headset Jack", NULL, "HPOUTR"}, - {"LINEINR", NULL, "Mic Bias"}, - {"Mic Bias", NULL, "Headset Jack"}, -}; - -static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", - "Off"}; -static const char *spk_function[] = {"On", "Off"}; -static const struct soc_enum tosa_enum[] = { - SOC_ENUM_SINGLE_EXT(5, jack_function), - SOC_ENUM_SINGLE_EXT(2, spk_function), -}; - -static const struct snd_kcontrol_new tosa_controls[] = { - SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack, - tosa_set_jack), - SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk, - tosa_set_spk), -}; - -static int tosa_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; - - snd_soc_dapm_nc_pin(dapm, "OUT3"); - snd_soc_dapm_nc_pin(dapm, "MONOOUT"); - - /* add tosa specific controls */ - err = snd_soc_add_codec_controls(codec, tosa_controls, - ARRAY_SIZE(tosa_controls)); - if (err < 0) - return err; - - /* add tosa specific widgets */ - snd_soc_dapm_new_controls(dapm, tosa_dapm_widgets, - ARRAY_SIZE(tosa_dapm_widgets)); - - /* set up tosa specific audio path audio_map */ - snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); - - return 0; -} - -static struct snd_soc_dai_link tosa_dai[] = { -{ - .name = "AC97", - .stream_name = "AC97 HiFi", - .cpu_dai_name = "pxa2xx-ac97", - .codec_dai_name = "wm9712-hifi", - .platform_name = "pxa-pcm-audio", - .codec_name = "wm9712-codec", - .init = tosa_ac97_init, - .ops = &tosa_ops, -}, -{ - .name = "AC97 Aux", - .stream_name = "AC97 Aux", - .cpu_dai_name = "pxa2xx-ac97-aux", - .codec_dai_name = "wm9712-aux", - .platform_name = "pxa-pcm-audio", - .codec_name = "wm9712-codec", - .ops = &tosa_ops, -}, -}; - -static struct snd_soc_card tosa = { - .name = "Tosa", - .owner = THIS_MODULE, - .dai_link = tosa_dai, - .num_links = ARRAY_SIZE(tosa_dai), -}; - -static int __devinit tosa_probe(struct platform_device *pdev) -{ - struct snd_soc_card *card = ⤩ - int ret; - - ret = gpio_request_one(TOSA_GPIO_L_MUTE, GPIOF_OUT_INIT_LOW, - "Headphone Jack"); - if (ret) - return ret; - - card->dev = &pdev->dev; - - ret = snd_soc_register_card(card); - if (ret) { - dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", - ret); - gpio_free(TOSA_GPIO_L_MUTE); - } - return ret; -} - -static int __devexit tosa_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - gpio_free(TOSA_GPIO_L_MUTE); - snd_soc_unregister_card(card); - return 0; -} - -static struct platform_driver tosa_driver = { - .driver = { - .name = "tosa-audio", - .owner = THIS_MODULE, - }, - .probe = tosa_probe, - .remove = __devexit_p(tosa_remove), -}; - -module_platform_driver(tosa_driver); - -/* Module information */ -MODULE_AUTHOR("Richard Purdie"); -MODULE_DESCRIPTION("ALSA SoC Tosa"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:tosa-audio"); |