/* * tosa.c -- SoC audio for Tosa * * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. * * Authors: Liam Girdwood * Richard Purdie * * 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 #include #include #include #include #include #include #include #include #include #include #include "../codecs/wm9712.h" #include "pxa2xx-pcm.h" #include "pxa2xx-ac97.h" static struct snd_soc_card tosa; #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) { /* set up jack connection */ switch (tosa_jack_func) { case TOSA_HP: snd_soc_dapm_disable_pin(codec, "Mic (Internal)"); snd_soc_dapm_enable_pin(codec, "Headphone Jack"); snd_soc_dapm_disable_pin(codec, "Headset Jack"); break; case TOSA_MIC_INT: snd_soc_dapm_enable_pin(codec, "Mic (Internal)"); snd_soc_dapm_disable_pin(codec, "Headphone Jack"); snd_soc_dapm_disable_pin(codec, "Headset Jack"); break; case TOSA_HEADSET: snd_soc_dapm_disable_pin(codec, "Mic (Internal)"); snd_soc_dapm_disable_pin(codec, "Headphone Jack"); snd_soc_dapm_enable_pin(codec, "Headset Jack"); break; } if (tosa_spk_func == TOSA_SPK_ON) snd_soc_dapm_enable_pin(codec, "Speaker"); else snd_soc_dapm_disable_pin(codec, "Speaker"); snd_soc_dapm_sync(codec); } static int tosa_startup(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_codec *codec = rtd->socdev->card->codec; /* check the jack status at stream startup */ tosa_ext_control(codec); 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_codec *codec) { int err; snd_soc_dapm_nc_pin(codec, "OUT3"); snd_soc_dapm_nc_pin(codec, "MONOOUT"); /* add tosa specific controls */ err = snd_soc_add_controls(codec, tosa_controls, ARRAY_SIZE(tosa_controls)); if (err < 0) return err; /* add tosa specific widgets */ snd_soc_dapm_new_controls(codec, tosa_dapm_widgets, ARRAY_SIZE(tosa_dapm_widgets)); /* set up tosa specific audio path audio_map */ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); snd_soc_dapm_sync(codec); return 0; } static struct snd_soc_dai_link tosa_dai[] = { { .name = "AC97", .stream_name = "AC97 HiFi", .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI], .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI], .init = tosa_ac97_init, .ops = &tosa_ops, }, { .name = "AC97 Aux", .stream_name = "AC97 Aux", .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], .ops = &tosa_ops, }, }; static int tosa_probe(struct platform_device *dev) { int ret; ret = gpio_request(TOSA_GPIO_L_MUTE, "Headphone Jack"); if (ret) return ret; ret = gpio_direction_output(TOSA_GPIO_L_MUTE, 0); if (ret) gpio_free(TOSA_GPIO_L_MUTE); return ret; } static int tosa_remove(struct platform_device *dev) { gpio_free(TOSA_GPIO_L_MUTE); return 0; } static struct snd_soc_card tosa = { .name = "Tosa", .platform = &pxa2xx_soc_platform, .dai_link = tosa_dai, .num_links = ARRAY_SIZE(tosa_dai), .probe = tosa_probe, .remove = tosa_remove, }; static struct snd_soc_device tosa_snd_devdata = { .card = &tosa, .codec_dev = &soc_codec_dev_wm9712, }; static struct platform_device *tosa_snd_device; static int __init tosa_init(void) { int ret; if (!machine_is_tosa()) return -ENODEV; tosa_snd_device = platform_device_alloc("soc-audio", -1); if (!tosa_snd_device) { ret = -ENOMEM; goto err_alloc; } platform_set_drvdata(tosa_snd_device, &tosa_snd_devdata); tosa_snd_devdata.dev = &tosa_snd_device->dev; ret = platform_device_add(tosa_snd_device); if (!ret) return 0; platform_device_put(tosa_snd_device); err_alloc: return ret; } static void __exit tosa_exit(void) { platform_device_unregister(tosa_snd_device); } module_init(tosa_init); module_exit(tosa_exit); /* Module information */ MODULE_AUTHOR("Richard Purdie"); MODULE_DESCRIPTION("ALSA SoC Tosa"); MODULE_LICENSE("GPL");