/* * 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. * * Revision history * 30th Nov 2005 Initial 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 #include #include #include "../codecs/wm9712.h" #include "pxa2xx-pcm.h" #include "pxa2xx-ac97.h" static struct snd_soc_machine 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) { int spk = 0, mic_int = 0, hp = 0, hs = 0; /* set up jack connection */ switch (tosa_jack_func) { case TOSA_HP: hp = 1; break; case TOSA_MIC_INT: mic_int = 1; break; case TOSA_HEADSET: hs = 1; break; } if (tosa_spk_func == TOSA_SPK_ON) spk = 1; snd_soc_dapm_set_endpoint(codec, "Speaker", spk); snd_soc_dapm_set_endpoint(codec, "Mic (Internal)", mic_int); snd_soc_dapm_set_endpoint(codec, "Headphone Jack", hp); snd_soc_dapm_set_endpoint(codec, "Headset Jack", hs); snd_soc_dapm_sync_endpoints(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->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, int event) { if (SND_SOC_DAPM_EVENT_ON(event)) set_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE); else reset_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE); 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 char *audio_map[][3] = { /* 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"}, {NULL, NULL, NULL}, }; 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 i, err; snd_soc_dapm_set_endpoint(codec, "OUT3", 0); snd_soc_dapm_set_endpoint(codec, "MONOOUT", 0); /* add tosa specific controls */ for (i = 0; i < ARRAY_SIZE(tosa_controls); i++) { err = snd_ctl_add(codec->card, snd_soc_cnew(&tosa_controls[i],codec, NULL)); if (err < 0) return err; } /* add tosa specific widgets */ for (i = 0; i < ARRAY_SIZE(tosa_dapm_widgets); i++) { snd_soc_dapm_new_control(codec, &tosa_dapm_widgets[i]); } /* set up tosa specific audio path audio_map */ for (i = 0; audio_map[i][0] != NULL; i++) { snd_soc_dapm_connect_input(codec, audio_map[i][0], audio_map[i][1], audio_map[i][2]); } snd_soc_dapm_sync_endpoints(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 struct snd_soc_machine tosa = { .name = "Tosa", .dai_link = tosa_dai, .num_links = ARRAY_SIZE(tosa_dai), }; static struct snd_soc_device tosa_snd_devdata = { .machine = &tosa, .platform = &pxa2xx_soc_platform, .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) return -ENOMEM; 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) platform_device_put(tosa_snd_device); 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");